- 2-Dimensional Momentum Problem
- 2-Dimensional Momentum Problem (Part 2)
- 2003 AIME II Problem 11.avi
- 2003 AIME II Problem 14
- 2003 AIME II Problem 7
- 2003 AIME II Problem 8
- 20th Century Capitalism and Regulation in the United States
- 30-60-90 Triangle Example Problem
- 30-60-90 Triangle Side Ratios Proof
- 30-60-90 Triangles II
- 401(k)s
- 45-45-90 Triangle Side Ratios
- 45-45-90 Triangles
- A Firm’s Marginal Product Revenue Curve
- A Look at a Seductive but Wrong Gibbs/ Spontaneity Proof
- A Universe Smaller than the Observable
- A1C Levels
- Absolute Inequalities 2
- Absolute Value 1
- Absolute Value and Number Lines
- Absolute Value Equation Example 2
- Absolute Value Equations
- Absolute Value Equations 1
- Absolute Value Equations 2
- Absolute Value Equations Example 1
- Absolute value inequalities Example 1
- Absolute Value Inequalities Example 2
- Absolute value inequalities example 3
- Absolute Value of Integers
- Abstract-ness
- Acceleration
- Acceleration Due to Gravity at the Space Station
- Acceleration for Aircraft Carrier Takeoff
- Accrual Basis of Accounting
- Accumulating Foreign Currency Reserves
- Acid Base Introduction
- Acid Base Titration
- Acquisitions with Shares
- Actual CPI-U Basket of Goods
- Actual Option Quotes
- Acute Obtuse and Right Angles
- Acute Right and Obtuse Angles
- Adding and Simplifying Radicals
- Adding and Subtracting Fractions
- Adding and Subtracting Polynomials 1
- Adding and Subtracting Polynomials 2
- Adding and Subtracting Polynomials 3
- Adding and Subtracting Rational Expressions
- Adding and Subtracting Rational Expressions 1
- Adding and Subtracting Rational Expressions 2
- Adding and Subtracting Rational Expressions 3
- Adding and Subtracting Real Numbers
- Adding and Subtracting Real Numbers Application
- Adding Complex Numbers
- Adding Decimals
- Adding Decimals (Old)
- Adding Demand Curves
- Adding Different Units for Weight
- Adding Different Units of Length
- Adding Fractions (ex 1)
- Adding Fractions With Different Signs
- Adding Fractions With Like Denominators
- Adding Fractions With Unlike Denominators
- Adding Integers With Different Signs
- Adding Mixed Numbers
- Adding Mixed Numbers With Unlike Denominators
- Adding Mixed Numbers Word Problem
- Adding Negative Numbers
- Adding Polynomials
- Adding Rational Expressions
- Adding Real Numbers Application
- Adding Real Numbers With Different Signs
- Adding Subtracting Mixed Numbers 0.5 (ex 1)
- Adding Subtracting Mixed Numbers 0.5 (ex 2)
- Adding Subtracting Mixed Numbers 1 (ex 1)
- Adding Subtracting Mixed Numbers 1 (ex 2)
- Adding Whole Numbers and Applications 1
- Adding Whole Numbers and Applications 2
- Adding Whole Numbers and Applications 3
- Adding Whole Numbers and Applications 4
- Adding/Subtracting Negative Numbers
- Addition 2
- Addition 3
- Addition 4
- Addition and Subtraction with Significant Figures
- Addition Elimination Method 1
- Addition Elimination Method 2
- Addition Elimination Method 3
- Addition Elimination Method 4
- Addition Rule for Probability
- Adequacy of the Lateral Cervical Spine X-Ray
- Advanced ratio problems
- Age word problems 1
- Age word problems 2
- Age word problems 3
- Aggregate Demand
- Airbus A380 Take-off Distance
- Airbus A380 Take-off Time
- Algebra: Equation of a line
- Algebra: graphing lines 1
- Algebra: Linear Equations 4
- Algebra: Slope
- Algebra: Slope 2
- Algebra: Slope 3
- Algebra: Slope and Y-intercept intuition
- Algebra: Solving Inequalities
- Algebraic Expression Least Common Multiple
- Algebraic Long Division
- Algebraic Word Problem
- Allende and Pinochet in Chile
- Allocative Efficiency and Marginal Benefit
- Alternate Mental Subtraction Method
- Alternate Proof to Induction for Integer Sum
- Alternate Solution to Ratio Problem (HD Version)
- Alternative Minimum Tax
- American Call Options
- American Put Options
- American-Chinese Debt Loop
- Amortization
- Amortization and Depreciation
- Amplitude, Period, Frequency and Wavelength of Periodic Waves
- AMT Overview
- An IPO
- Anatomy of a Muscle Cell
- Anatomy of a Neuron
- Andy Warhol, Cambell’s Soup Cans: Why is this Art?
- Angle Basics
- Angle Bisector Theorem Examples
- Angle Bisector Theorem Proof
- Angle Game (part 2)
- Angles (part 2)
- Angles (part 3)
- Angles at the intersection of two lines
- Angles formed between transversals and parallel lines
- Angles Formed by Parallel Lines and Transversals
- Angles of parallel lines 2
- Annual Interest Varying with Debt Maturity
- Annual Percentage Rate (APR) and Effective APR
- Another Isosceles Example Problem
- Another Mass Composition Problem
- Another Percent Word Problem
- Another Quantitative Easing Video
- Another Stoichiometry Example in a Solution
- Another Take on the Rate Problem
- Ape Clarification
- Application of Addition of Real Numbers
- Application of Similar Triangles
- Application Problem With Graph
- Application Problem With Quadratic Formula
- Application Problems Involving Units of Weight
- Application Problems With Equation in One Variable
- Applications Problem Factoring Quadratics
- Applying Logarithms
- Applying Logarithms 2
- Applying Quadratic Functions 1
- Applying Quadratic Functions 2
- Applying Quadratic Functions 3
- Applying Radical Equations 1
- Applying Radical Equations 2
- Applying Radical Equations 3
- Applying Rational Equations 1
- Applying Rational Equations 2
- Applying Rational Equations 3
- Applying the Quadratic Formula
- Appomattox Court House and Lincoln’s Assassination
- Approximating Square Roots
- Apsidal Precession (Perihelion Precession) and Milankovitch Cycles
- Arbitrage Basics
- Arbitraging Futures Contract
- Arbitraging Futures Contracts II
- Are Hedge Funds Bad?
- Are Southern Hemisphere Seasons More Severe?
- Area and Perimeter
- Area and Perimeter of Composite Figures
- Area of a Circle
- Area of a circle
- Area of a Parallelogram
- Area of a Regular Hexagon
- Area of a Trapezoid
- Area of an Equilateral Triangle
- Area of Diagonal Generated Triangles of Rectangle are Equal
- Area of Inscribed Equilateral Triangle (some basic trig used)
- Area of Koch Snowflake (part 1) - Advanced
- Area of Koch Snowflake (part 2) - Advanced
- Assessing Alignment of the Lateral Cervical (neck) X-Ray
- Associative Law of Addition
- Associative Law of Multiplication
- Associative Property for Multiplication
- ATP: Adenosine Triphosphate
- Average Velocity for Constant Acceleration
- Averages
- B Lymphocytes (B Cells)
- Back of Envelope Office Space Conundrum
- Backwardation
- Backwardation Bullish or Bearish
- Bacteria
- Bacterial Meningitis
- Bailout 1: Liquidity vs. Solvency
- Bailout 10: Moral Hazard
- Bailout 11: Why These CDOs Could be Worth Nothing
- Bailout 12: Lone Star Transaction
- Bailout 13: Does the Bailout Have a Chance of Working?
- Bailout 14: Possible Solution
- Bailout 15: More on the Solution
- Bailout 2: Book Value
- Bailout 3: Book Value vs. Market Value
- Bailout 4: Mark-to-Model vs. Mark-to-Market
- Bailout 5: Paying Off the Debt
- Bailout 6: Getting an Equity Infusion
- Bailout 7: Bank Goes Into Bankruptcy
- Bailout 8: Systemic Risk
- Bailout 9: Paulson’s Plan
- Balance of Payments - Capital Account
- Balance of Payments - Current Account
- Balance Sheet and Income Statement Relationship
- Balancing Chemical Equations
- Banking 1
- Banking 10: Introduction to Leverage
- Banking 11: A Reserve Bank
- Banking 12: Treasuries: Government Debt
- Banking 13: Open Market Operations
- Banking 14: Fed Funds Rate
- Banking 15: More on the Fed Funds Rate
- Banking 16: Why Target Rates vs. Money Supply
- Banking 17: What Happened to the Gold?
- Banking 18: Big Picture Discussion
- Banking 2: A Bank’s Income Statement
- Banking 3: Fractional Reserve Banking
- Banking 4: Multiplier Effect and the Money Supply
- Banking 5: Introduction to Bank Notes
- Banking 6: Bank Notes and Checks
- Banking 7: Giving Out Loans Without Giving Out Gold
- Banking 8: Reserve Ratios
- Banking 9: More on Reserve Ratios
- Basic Addition
- Basic Capital Structure Differences
- Basic Cash Flow Statement
- Basic Complex Analysis
- Basic Leveraged Buyout (LBO)
- Basic Linear Function
- Basic Multiplication
- Basic Probability
- Basic Rate Problem
- Basic Shorting
- Basic Subtraction
- Basic Trigonometry
- Basic Trigonometry II
- Basics of US Income Tax Return Schedule
- Bay of Pigs Invasion
- Becoming a Red Giant
- Beginnings of Life
- Benford’s Law Explanation (Sequel to Mysteries of Benford’s Law)
- Big Bang Introduction
- Binary Numbers
- Binary, Decimals, and Hexadecimal Number Systems
- Binomial Distribution 1
- Binomial Distribution 2
- Binomial Distribution 3
- Binomial Distribution 4
- Binomial Theorem (part 1)
- Binomial Theorem (part 2)
- Binomial Theorem (part 3)
- Biodiversity Flourishes in Phanerozoic Eon
- Birth of Stars
- Birthday Probability Problem
- Black Holes
- Blood Sugar Levels
- Blue Cross and Blue Shield
- Boiling Point Elevation and Freezing Point Supression
- Bonds vs. Stocks
- Box-and-Whisker Plots
- Breakdown of Gas Prices
- Budget Line
- Buffers and Henderson-Hasselbalch
- C-4 Photosynthesis
- Calculating Average Velocity or Speed
- Calculating Dot and Cross Products with Unit Vector Notation
- Calculating i Raised to Arbitrary Exponents
- Calculating Real Return in Last Year Dollars
- Calculator for Logarithms
- Calculator for Natural Logarithms
- Calculator for Powers of 10
- Calculator for Powers of e
- Calculus Proof of Centripetal Acceleration Formula
- Call Option as Leverage
- Call Payoff Diagram
- Call Writer Payoff Diagrams
- CAM Plants
- Cancer
- Cancerous Colon Tissue
- Capacitance
- Carbon 14 Dating 2
- Carbon 14 Dating
- Carnot Cycle and Carnot Engine
- Carnot Efficiency 2: Reversing the Cycle
- Carnot Efficiency 3: Proving that it is the Most Efficient
- Carry Trade Basics
- Cash Accounting
- Center of Mass
- Centripetal Force and Acceleration Intuition
- Cepheid Variables 1
- Cervical Spine Protection in Airway Management
- Challenging Perimeter Problem
- Challenging Similarity Problem
- Challenging Triangle Angle Problem
- Change of State Example
- Changes in Income, Population or Preferences
- Changes in Market Equilibrium
- Changing an Improper Fraction to a Mixed Number
- Chapter 11: Bankruptcy Restructuring
- Chapter 7: Bankruptcy Liquidation
- Childhood Growth
- Chilling Water Problem
- China Buys US Bonds
- China Keeps Peg But Diversifies Holdings
- China Pegs to Dollar Keep Trade Imbalance
- Chinese Central Bank Buying Treasuries
- Chinese Inflation
- Chromosomes, Chromatids, Chromatin, etc.
- Chronometric Revolution
- Circles: Radius, Diameter and Circumference
- Circuits (Part 1)
- Circuits (Part 2)
- Circuits (Part 3)
- Circuits (Part 4)
- Circular Flow of Income and Expenditures
- Circulatory System and the Heart
- Circumcenter of a Right Triangle
- Circumcenter of a Triangle
- Circumference of a Circle
- Closed-End Mutual Funds
- Coin Flipping Example
- Collateralized Debt Obligation (CDO)
- Collateralized Debt Obligation Overview
- Collective Learning
- Colon Dysplasia
- Combinations
- Common Divisibility Examples
- Common Orthocenter and Centroid
- Communism
- Commutative Law of Addition
- Commutative Law of Multiplication
- Commutative Property for Addition
- Comparative Advantage and Absolute Advantage
- Comparative Advantage Specialization and Gains from Trade
- Comparing Absolute Values
- Comparing Accrual and Cash Accounting
- Comparing Celsius and Fahrenheit Temperature Scales
- Comparing Decimals
- Comparing Decimals 4
- Comparing Fractions
- Comparing Fractions 2
- Comparing Rational Numbers
- Comparing Whole Numbers
- Comparing Whole Numbers 2
- Comparing Whole Numbers 3
- Complementary and Supplementary Angles
- Completing Perfect Square Trinomials
- Completing the square
- Completing the Square 1
- Completing the Square 2
- Completing the Square 3
- Completing the Square 4
- Completing the Square to Solve Quadratic Equations
- Complex Conjugates
- Complex Conjugates Example
- Complex Determinant Example
- Complex Numbers
- Complex Numbers (part 1)
- Complex Numbers (part 2)
- Complex Roots From the Quadratic Formula
- Complicated Rational Expressions
- Components of GDP
- Compositional and Mechanical Layers of the Earth
- Compound Inequalities
- Compound Inequalities 2
- Compound Inequalities 3
- Compound Inequalities 4
- Compound Interest and e (Part 2)
- Compound Interest and e (Part 3)
- Compound Interest and e (Part 4)
- Compound Probability of Independent Events
- Concave Lenses
- Conditional Probability and Combinations
- Congruent and Similar Triangles
- Congruent legs and base angles of Isosceles Triangles
- Congruent Triangle Example 2
- Congruent Triangle Proof Example
- Congruent Triangles and SSS
- Conic Identification 3
- Conic Sections: Hyperbolas 2
- Conic Sections: Hyperbolas 3
- Conic Sections: Intro to Circles
- Conic Sections: Intro to Ellipses
- Conic Sections: Intro to Hyperbolas
- Conjugate Acids and Bases
- Connecting the Keynesian Cross to the IS-Curve
- Connection between even and odd numbers and functions
- Conservation of Angular Momentum
- Conservation of Energy
- Consistent and Inconsistent Systems
- Consistent System of Independent Equations t2
- Constant Unit Elasticity
- Consumer Surplus Introduction
- Consumption Function Basics
- Consumption Function with Income Dependent Taxes
- Contango
- Contango and Backwardation Review
- Contango from Trader Perspective
- Conversation about Drug Pricing
- Conversion Between Metric Units
- Converting Farenheit to Celsius
- Converting Fractions to Decimals
- Converting Fractions to Decimals Example
- Converting Gallons to Quarts Pints and Cups
- Converting Mixed Numbers and Improper Fractions (ex 1)
- Converting Mixed Numbers and Improper Fractions (ex 2)
- Converting Mixed Numbers to Improper Fractions
- Converting Pounds to Ounces
- Converting Repeating Decimals to Fractions 1
- Converting Repeating Decimals to Fractions 2
- Converting to slope-intercept form
- Converting Units of Length
- Converting Within the Metric System
- Convex Lens Examples
- Convex Lenses
- Convex Parabolic Mirrors
- Corporate Debt versus Traditional Mortgages
- Corporations and Limited Liability
- Correction to Calendar Notation
- Correction to Force of Friction Keeping the Block Stationary
- Correction to Sodium Potassium Pump video
- Correction to Total Final Velocity for Projectile
- Cosmic Background Radiation
- Cosmic Background Radiation 2
- Cosmological Time Scale 1
- Cosmological Time Scale 2
- Cost Push Inflation
- Covalent Networks, Metallic, and Ionic Crystals
- CPI Index
- Credit Default Swaps
- Credit Default Swaps (CDS) Intro
- Credit Default Swaps 2
- Cross Elasticity of Demand
- Cross Product 1
- Cross Product 2
- Cross Product and Torque
- Cuban Missile Crisis
- Cupcake Economics 2
- Cupcake Economics 3
- Currency Effect on Trade
- Currency Effect on Trade Review
- Currency Exchange Introduction
- Cylinder Volume and Surface Area
- Cytotoxic T Cells
- Data on Chinese US Balance of Payments
- Data on Chinese Foreign Assets Increase in 2010
- Data on Chinese M1 Increase in 2010
- Debt Loops Rationale and Effects
- Decimal Place Value
- Decimal Place Value 2
- Decimals and Fractions
- Decimals on a Number Line
- Deductive Reasoning 1
- Deductive Reasoning 2
- Deductive Reasoning 3
- Deficit and Debt Ceiling
- Deflation
- Deflation Despite Increases in Money Supply
- Deflationary Spiral
- Demand Curve as Marginal Benefit Curve
- Demand-Pull Inflation under Johnson
- Dependent Probability Example 1
- Dependent Probability Example 2
- Depreciating the Truck
- Depreciation
- Depreciation in Cash Flow
- Depriciation and Opportunity Cost of Capital
- Deriving Demand Curve from Tweaking Marginal Utility per Dollar
- Deriving Displacement as a Function of Time, Acceleration and Initial Velocity
- Deriving Max Projectile Displacement Given Time
- Descartes and Cartesian Coordinates
- Describing and Meaning of Percent
- Describing and Meaning of Percent 2
- Details on Shifting Aggregate Planned Expenditures
- Detectable Civilizations in our Galaxy 1
- Detectable Civilizations in our Galaxy 2
- Detectable Civilizations in our Galaxy 3
- Detectable Civilizations in our Galaxy 4
- Detectable Civilizations in our Galaxy 5
- Determining the equation of a trigonometric function
- Development of Agriculture and Writing
- Difference of Cubes Factoring
- Difference of Functions
- Difference of Logarithms with Same Base
- Different Ways to Determine Time in Air
- Diffusion and Osmosis
- Direct and Inverse Variation
- Direct Inverse and Joint Variation
- Direct Variation 1
- Direct Variation Application
- Discriminant for Types of Solutions for a Quadratic
- Displacement from Time and Velocity Examples
- Distributive Property 2, The
- Distributive Property 3
- Distributive Property, The
- Dividing a Decimal by a Power of 10
- Dividing and Simplifying Rational Expressions
- Dividing Complex Numbers
- Dividing Decimals
- Dividing Decimals
- Dividing Decimals 2.1
- Dividing Fractions
- Dividing Fractions Example
- Dividing Fractions Word Problem
- Dividing Mixed Numbers
- Dividing Mixed Numbers and Fractions
- Dividing Monomials
- Dividing Multivariable Polynomial With Monomial
- Dividing Polynomials 1
- Dividing Polynomials With Remainders
- Dividing Real Numbers With Different Signs
- Dividing Whole Numbers and Applications 1
- Dividing Whole Numbers and Applications 2
- Dividing Whole Numbers and Applications 3
- Dividing Whole Numbers and Applications 4
- Dividing Whole Numbers and Applications 5
- Dividing Whole Numbers and Applications 6
- Division 1
- Division 2
- Division 3: More Long Division and Remainders Examples
- DNA
- Doing the Example with Accounts Payable Growing
- Domain and Range 1
- Domain and Range 2
- Domain and Range of Function Given a Formula
- Domain and Range of a Relation
- Domain of a function
- Domain of a Radical Function
- Domain of a Rational Expression 1
- Doppler Effect Formula for Observed Frequency
- Doppler Effect Formula When Source is Moving Away
- Dot vs. Cross Product
- Early Train Word Problem
- Earnings and EPS
- Earth Formation
- EBITDA
- Economic Growth through Investment
- Economic Profit vs. Accounting Profit
- Economics of a Cupcake Factory
- Efficiency of a Carnot Engine
- Elasticity and Strange Percent Changes
- Elasticity of Supply
- Electoral College
- Electric Potential Energy
- Electric Potential Energy (Part 2 - involves Calculus)
- Electron Configurations
- Electron Configurations 2
- Electron Transport Chain
- Electrostatics (Part 1) Introduction to Charge and Coulumb’s Law
- Electrostatics (Part 2)
- Electrotonic and Action Potentials
- Elements and Atoms
- Embryonic Stem Cells
- Empirical and Molecular Formulas from Stoichiometry
- Energy Inputs for Tilling a Hectare of Land
- Enterprise Value
- Enthalpy
- Entropy Intuition
- Equalizing Marginal Utility per Dollar Spent
- Equation fo a Line Hairier Example
- Equation of a Line 1
- Equation of a Line 2
- Equation of a line 2
- Equation of a Line 3
- Equation Special Cases
- Equations 2
- Equations 3
- Equations of Sequence Patterns
- Equilateral and Isosceles Example Problems
- Equilateral Triangle Sides and Angles Congruent
- Equity vs. Debt
- Equivalent Fractions
- Equivalent Fractions Example
- Estate Tax Basics
- Estate Tax Introduction
- Estimation With Decimals
- Euclid as the Father of Geometry
- Euler Line
- Euler’s Line Proof
- Evaluate a Formula Using Substitution
- Evaluating a Polynomial at a Given Value
- Evaluating an Expression With Multiple Variables
- Evaluating Exponential Expressions
- Evaluating Exponential Expressions 2
- Evaluating Expressions With Two Variables
- Evaluating Functions
- Events and Outcomes 1
- Events and Outcomes 2
- Events and Outcomes 3
- Evolution Clarification
- Exactly Three Heads in Five Flips
- Example Calculating Real GDP with a Deflator
- Example involving an isosceles triangle and parallel lines
- Example of Finding Reactant Empirical Formula
- Example of Solving for a Variable
- Examples of Accounting for GDP
- Exchange Traded Funds (ETFs)
- Expected Value of Binomial Distribution
- Expected Value: E(X)
- Expensing a Truck Leads to Inconsistent Performance
- Exploring linear relationships
- Exploring Medial Triangles
- Exploring nonlinear relationships
- Exponent Properties 1
- Exponent Properties 2
- Exponent Properties 3
- Exponent Properties 4
- Exponent Properties 5
- Exponent Properties 6
- Exponent Properties 7
- Exponent Rules 1
- Exponent Rules 2
- Exponent Rules 3
- Exponential Application
- Exponential form to find complex roots
- Exponential Growth
- Exponents Rules Part 1
- Exponents Rules Part 2
- Extraneous Solutions for Radical Equations
- Extraneous Solutions to Rational equations
- Factor Expressions by Grouping
- Factoring and the Distributive Property
- Factoring and the Distributive Property 2
- Factoring and the Distributive Property 3
- Factoring Difference of Squares
- Factoring Perfect Square Trinomials
- Factoring Special Products 1
- Factoring Special Products 2
- Factoring Special Products 3
- Factoring Sum of Cubes
- Factoring Trinomials by Grouping 1
- Factoring Trinomials by Grouping 2
- Factoring Trinomials by Grouping 3
- Factoring Trinomials by Grouping 4
- Factoring Trinomials by Grouping 5
- Factoring Trinomials by Grouping 6
- Factoring Trinomials With a Common Factor
- Factoring Trinomials With a Leading 1 Coefficient
- Factoring Trinomials With a Non-1 Leading Coefficient by Grouping
- Factors Affecting Supply
- Fair Value Accounting
- Fed Open Market Operations
- Federal Reserve Balance Sheet
- Ferris Wheel Trig Problem
- Ferris Wheel Trig Problem (part 2)
- FICA Tax
- Figuring out all the angles for congruent triangles example
- Financial Crisis in Thailand Caused by Speculative Attack
- Financial Weapons of Mass Destruction
- Find an Unknown in a Proportion
- Find an Unknown in a Proportion 2
- Finding Area Using Similarity and Congruence
- Finding Common Denominators
- Finding Congruent Triangles
- Finding Cube Roots
- Finding Factors of a Number
- Finding Missing Angles
- Finding more angles
- Finding the 100th Term in a Sequence
- Finding Unit Prices
- Finding Unit Rates
- Firestick Farming
- First Degree Price Discrimination
- First Law of Thermodynamics/ Internal Energy
- First Living Things on Land Clarification
- Fixed, Variable and Marginal Cost
- Floating Exchange Effect on China
- Floating Exchange Effect on US
- Floating Exchange Resolving Trade Imbalance
- Fluids (Part 1)
- Fluids (Part 10)
- Fluids (Part 11)
- Fluids (Part 12)
- Fluids (Part 2)
- Fluids (Part 3)
- Fluids (Part 4)
- Fluids (Part 5)
- Fluids (Part 6)
- Fluids (Part 7)
- Fluids (Part 8)
- Fluids (Part 9)
- Foci of a Hyperbola
- Foci of an Ellipse
- Focus and Directrix of a Parabola 2
- Force of Friction Keeping the Block Stationary
- Force of Friction Keeping Velocity Constant
- Formula From Mass Composition
- Forward Contract Introduction
- Four Fundamental Forces
- Fraction Word Problems 1 (ex 1)
- Fraction Word Problems 1 (ex 2)
- Fraction Word Problems 1 (ex 3)
- Fraction Word Problems 1 (ex 4)
- Fractional Exponent Expressions 1
- Fractional Exponent Expressions 2
- Fractional Exponent Expressions 3
- Fractional Reserve Banking Commentary 1
- Fractions in Lowest Terms
- Fractions on the Number Line 1 (ex 1)
- Fractions on the Number Line 1 (ex 2)
- Fractions on the Number Line 2 (ex 1)
- Fractions on the Number Line 3 (ex 1)
- Fractions on the Number Line 3 (ex 2)
- FRB Commentary 2: Deposit Insurance
- FRB Commentary 3: Big Picture
- French Invasion of Russia
- French Revolution (Part 1)
- French Revolution (Part 2)
- French Revolution (Part 3)- Reign of Terror
- French Revolution (Part 4)- The Rise of Napoleon Bonaparte
- Frequency Probability and Unfair Coins
- Frequency Stability
- Full Reserve Banking
- Fun Trig Problem
- Function Inverse Example 1
- Function Inverses Example 2
- Function Inverses Example 3
- Functional Relationships 1
- Functions (part 4)
- Functions (Part III)
- Functions Part 2
- Futures and Forward Curves
- Futures Curves II
- Futures Fair Value in the Pre-Market
- Futures Introduction
- Futures Margin Mechanics
- Galactic Collisions
- Galvanic Cells
- Game Theory of Cheating Firms
- GCF to Factor a Polynomial
- GDP Deflator
- Geithner 5: A Better Solution
- Geithner Plan 2.5
- Geithner Plan I
- Geithner Plan II
- Geithner Plan III
- Geithner Plan IV
- Generalized Linear Consumption Function
- Generalizing with Binomial Coefficients (bit advanced)
- Geometric series sum to figure out mortgage payments
- Getting a Seed Round from a VC
- Getting At Least One Heads
- Getting Exactly Two Heads (Combinatorics)
- Gibbs Free Energy and Spontaneity
- Gibbs Free Energy Example
- Glucose Concentration Conversion
- Glucose, Insulin and Diabetes
- Glycolysis
- Going Back to the Till: Series B
- Government Spending and the IS-LM Model
- Government’s Financial Condition
- Graph of the sine function
- Graphical Relations and Functions
- Graphical Slope of a Line
- Graphical System of Inequalities
- Graphical Systems Application Problem
- Graphing a Basic Function
- Graphing a line in slope intercept form
- Graphing a Quadratic Function
- Graphing Exponential Functions
- Graphing Inequalities 1
- Graphing Inequalities 2
- Graphing linear inequalities in two variables 2
- Graphing linear inequalities in two variables 3
- Graphing Linear Inequalities in Two Variables Example 2
- Graphing Logarithmic Functions
- Graphing Natural Logarithm Function
- Graphing Radical Functions
- Graphing Systems of Equations
- Graphing Systems of Inequalities
- Graphing systems of inequalities
- Graphing systems of inequalities 2
- Graphing systems of inequalities 3
- Graphing trig functions
- Graphing Using X and Y Intercepts
- Graphs of trig functions
- Gravitation (Part 2)
- Gravity for Astronauts in Orbit
- Greatest Common Divisor
- Greek Debt Recession and Austerity (Part 1)
- Greek Financial Crisis (Part 2)
- Groups of the Periodic Table
- Growing by a percentage
- Hairier Slope of Line
- Haitian Revolution (Part 1)
- Haitian Revolution (Part 2)
- Half-Life
- Hardy-Weinberg Principle
- Harmonic Motion Part 2 (Calculus)
- Harmonic Motion Part 3 (No Calculus)
- Hawaiian Islands Formation
- Health Care Costs in US vs Europe
- Healthcare System Overview
- Heart Disease and Heart Attacks
- Heat of Formation
- Hedge Fund Intro
- Hedge Fund Strategies - Long Short 1
- Hedge Fund Strategies - Long Short 2
- Hedge Fund Strategies - Merger Arbitrage 1
- Hedge Fund Structure and Fees
- Hedge Funds, Venture Capital, and Private Equity
- Helper T Cells
- Hemoglobin
- Heron’s Formula
- Hess’s Law and Reaction Enthalpy Change
- Hess’s Law Example
- Heterogeneous Equilibrium
- Home Equity Loans
- Housing Price Conundrum (Part 2)
- Housing Price Conundrum (Part 3)
- Housing Conundrum (Part 4)
- How and Why Greece Would Leave the Euro (Part 3)
- How Earth’s Tilt Causes Seasons
- How Many People to Hire Given the MPR Curve
- How We Know About the Earth’s Core
- Hubble Image of Galaxies
- Hubble’s Law
- Human Capital
- Human Evolution Overview
- Hundred Days and Waterloo
- Hydrogen Peroxide Correction
- Hyperinflation
- Hyperplasia in Colon Tissue
- i as the Principal Root of -1 (a little technical)
- Ice Accelerating Down an Incline
- Ideal Gas Equation: Example 1
- Ideal Gas Equation: Example 2
- Ideal Gas Equation: Example 3
- Ideal Gas Equation: PV=nRT
- Ideal Gas Example 4
- Identifying Complementary and Supplementary Angles
- Identifying Conics 1
- Identifying Conics 2
- Identifying Fraction Parts
- Identifying Geometric Solids
- Identifying Parallel and Perpendicular Lines
- Identifying Percent Amount and Base
- Identifying Rational Numbers
- Identifying Rays
- Identity Property of 0
- Identity Property of 1
- Identity Property of 1 (Second Example)
- IIT JEE Trigonometric Constraints
- IIT JEE Trigonometric Maximum
- IIT JEE Trigonometry Problem 1
- Imaginary Roots of Negative Numbers
- Impact Veolocity From Given Height
- Incenter and incircles of a triangle
- Inclined Plane Force Components
- Income and Expenditure Views of GDP
- Increasing Opportunity Cost
- Independent and Dependent Systems
- Independent Events 1
- Independent Events 2
- Independent Events 3
- Inductive Patterns
- Inductive Reasoning 1
- Inductive Reasoning 2
- Inductive Reasoning 3
- Inequalities
- Inequalities on a Number Line
- Inferior Goods Clarification
- Inflammation
- Inflammatory Response
- Inflation & Deflation3: Obama Stimulus Plan
- Inflation Data
- Inflation Overview
- Inflation, Deflation & Capacity Utilization
- Inflation, Deflation & Capacity Utilization 2
- Inradius Perimeter and Area
- Inscribed and Central Angles
- Institutional Roles in Issuing and Processing Credit Cards
- Integer sums
- Intelligent Design and Evolution
- Interest (Part 2)
- Interest as Rent for Money
- Interest Rate Swap 1
- Interest Rate Swap 2
- Interesting Perimeter and Area Problems
- Interesting Polynomial Coefficient Problem
- Intergalactic Scale
- Interpreting Futures Fair Value in the Premarket
- Interpreting Inequalities
- Interpreting Linear Graphs
- Intro to 30-60-90 Triangles
- Intro to Springs and Hooke’s Law
- Intro to the Endocrine System
- Introduction to angles (old)
- Introduction to Balance Sheets
- Introduction to Bonds
- Introduction to Cellular Respiration
- Introduction to Compound Interest
- Introduction to Compound Interest and e
- Introduction to Conic Sections
- Introduction to Evolution and Natural Selection
- Introduction to Exponential Decay
- Introduction to Function Inverses
- Introduction to functions
- Introduction to Gravity
- Introduction to Harmonic Motion
- Introduction to Heredity
- Introduction to i and Imaginary Numbers
- Introduction to Inflation
- Introduction to Interest
- Introduction to Kinetics
- Introduction to Light
- Introduction to Limits
- Introduction to Limits (HD)
- Introduction to Logarithm Properties
- Introduction to Logarithm Properties (Part 2)
- Introduction to Logarithms
- Introduction to Magnetism
- Introduction to Mechanical Advantage
- Introduction to Momentum
- Introduction to Mortgage Loans
- Introduction to Newton’s Law of Gravitation
- Introduction to Order of Operations
- Introduction to Oxidation States
- Introduction to pH, pOH, and pKw
- Introduction to Present Value
- Introduction to Random Variables
- Introduction to Ratios
- Introduction to Ratios (New HD Version)
- Introduction to Tension
- Introduction to the Atom
- Introduction to the Doppler Effect
- Introduction to the Income Statement
- Introduction to the Price-to-Earnings Ratio
- Introduction to the quadratic equation
- Introduction to the Yield Curve
- Introduction to Torque
- Introduction to Vectors and Scalars
- Introduction to Waves
- Introduction to Work and Energy
- Intuition on Static and Kinetic Friction Comparisons
- Inverse Property of Addition
- Inverse Property of Multiplication
- Inverse Trig Functions: Arccos
- Inverse Trig Functions: Arcsin
- Inverse Trig Functions: Arctan
- Inverse Variation Application
- Investment and Consumption
- Investment and Real Interest Rates
- Investment vs. Consumption 1
- Investment vs. Consumption 2
- Ionic, Covalent, and Metallic Bonds
- Is Limited Liability or Double Taxation Fair
- Is Short Selling Bad?
- Joint Variation Application
- K-Ar Dating Calculation
- Keq Derivation Intuition
- Keq Intuition
- Keynesian Cross
- Keynesian Cross and the Multiplier
- Keynesian Economics
- Koch Snowflake Fractal
- Korean War Overview
- Krebs / Citric Acid Cycle
- Land Productivity Limiting Human Population
- Language and Notation of Basic Geometry
- Language and Notation of the Circle
- Lattice Multiplication
- Launching and Landing on Different Elevations
- Law of cosines
- Law of Demand
- Law of Large Numbers
- Law of Supply
- Le Chatelier’s Principle
- Least Common Multiple (LCM)
- LeBron Asks About Comparing Earth’s History to a Basketball Game
- LeBron asks about free throws versus three pointers
- LeBron Asks About Newton’s 3rd Law
- LeBron asks about the chances of making 10 free throws
- LeBron Asks: What Muscles Do We Use When Shooting a Basket?
- LeBron Asks: Why Does Humidity Make it Feel Hotter?
- LeBron Asks: Why Does Sweating Cool You Down?
- Level 1 Exponents
- Level 1 multiplying expressions
- Level 2 Addition
- Level 2 Exponents
- Level 3 Exponents
- Level 4 Division
- Level 4 Subtraction
- LIBOR
- Life Cycle of Massive Stars
- Limit Examples (part 1)
- Limit Examples (part 2)
- Limit Examples (part3)
- Limit Examples w/ brain malfunction on first prob (part 4)
- Limiting Reactant Example Problem 1
- Lines, Line Segments, and Rays
- LM Part of the IS-LM Model
- Loanable Funds Interpretation of IS Curve
- Locate Integers on a Number Line
- Logarithm of a Power
- Logarithmic Equations
- Logarithmic Equations 2
- Logarithmic Scale
- Long Straddle
- Long Term Supply Curve and Economic Profit
- Long-Run Aggregate Supply
- Loop De Loop Answer (Part 1)
- Loop De Loop Answer (Part 2)
- Loop De Loop Question
- Lower Bound on Forward Settlement Price
- Mach Numbers
- Macrostates and Microstates
- Magentism 5
- Magnetism 10: Electic Motors
- Magnetism 11: Electric Motors
- Magnetism 12: Induced Current in a Wire
- Magnetism 2
- Magnetism 3
- Magnetism 4
- Magnetism 6: Magnetic Field Due to Current
- Magnetism 7
- Magnetism 8
- Magnetism 9: Electric Motors
- Marginal Cost and Average Total Cost
- Marginal Revenue and Marginal Cost
- Marginal Revenue Below Average Total Cost
- Marginal Utility
- Market Capitalization
- Market Equilibrium
- Market Value of Assets
- Mass and Weight Clarification
- Math Mechanics of Thai Banking Crisis
- Mathy Versions of MPC and Multiplier (Optional)
- Maxwell’s Demon
- Mean Median and Mode
- Measures of Center
- Measuring Angles
- Measuring Angles in Degrees
- Mechanical Advantage (Part 2)
- Mechanical Advantage (Part 3)
- Median Centroid Right Triangle Example
- Medians divide into smaller triangles of equal area
- Medicare Overview
- Medicare Sustainability
- Mega Millions Jackpot Probability
- Milankovitch Cycles Precession and Obliquity
- Mini-Video on Ion Size
- Minimum Wage and Price Floors
- Misleading Line Graphs
- Missing Measurements for Similar Triangles
- Mitosis, Meiosis, and Sexual Reproduction
- Mixed Numbers and Improper Fractions
- Mixture problems 1
- Mixture problems 2
- Mixture problems 3
- Moderate Inflation in a Good Economy
- Molecular and Empirical Formulas
- Molecular and Empirical Formulas from Percent Composition
- Moments
- Moments (Part 2)
- Momentum: Ice Skater Throws a Ball
- Monetary and Fiscal Policy
- Money Supply - M0 M1 and M2
- Money Supply and Demand Impacting Interest Rates
- Monomial Greatest Common Factor
- Monopolist Optimizing Price (Part 1) - Total Revenue
- Monopolist Optimizing Price (Part 2) - Marginal Revenue
- Monopolist Optimizing Price (Part 3) - Dead Weight Loss
- Monopolistic Competition and Economic Profit
- Monopoly Basics
- More advanced ratio problem--with Algebra (HD version)
- More Complicated Order of Operations Example
- More Exponential Decay Examples
- More Involved Multi-Step Equation
- More Limits
- More Multiplying Polynomials
- More on Balance Sheets and Equity
- More on Elasticity of Demand
- More on Entropy
- More on Final and Intermediate GDP Contributions
- More on Internal Energy
- More on IPOs
- More on Nash Equilibrium
- More on Orbitals and Eletron Configuration
- More on Oxidation States
- More on Quantitative Easing (and Credit Easing)
- More on Significant Figures
- More on Total Revenue and Elasticity
- More on why SSA is not a postulate
- More percent problems
- More Rational Exponents and Exponent Laws
- More Rigorous Gibbs Free Example / Spontaneity Relationship
- More trig graphs
- Mortgage Back Security Overview
- Mortgage Interest Rates
- Mortgage-Backed Securities I
- Mortgage-Backed Securities II
- Mortgage-Backed Securities III
- Motivation for the Futures Exchange
- MPC and Multiplier
- Multi-Step Equations 1
- Multi-Step Equations 2
- Multi-Step Inequalities
- Multi-Step Inequalities 2
- Multiplication 2: The Multiplication Tables
- Multiplication 3: 10, 11,12 Times Tables
- Multiplication 5: 2-Digit times a 2-Digit Number
- Multiplication 6: Multiple Digit Numbers
- Multiplication 7: Old Video Giving More Examples
- Multiplication 8: Multiplying Decimals (Old Video)
- Multiply and Simplify a Radical Expression 1
- Multiply and Simplify a Radical Expression 2
- Multiplying a Decimal by a Power of 10
- Multiplying and Dividing Monomials 1
- Multiplying and Dividing Monomials 2
- Multiplying and Dividing Monomials 3
- Multiplying and Dividing Rational Expressions 1
- Multiplying and Dividing Rational Expressions 2
- Multiplying and Dividing Rational Expressions 3
- Multiplying and Dividing with Significant Figures
- Multiplying and Simplifying Rational Expressions
- Multiplying Binomials
- Multiplying Binomials With Radicals
- Multiplying Complex Numbers
- Multiplying Decimals
- Multiplying Decimals 3
- Multiplying Fractions
- Multiplying Fractions (Old)
- Multiplying Fractions and Mixed Numbers
- Multiplying Fractions Word Problem
- Multiplying Fractions Word Problems ( ex 1)
- Multiplying in Scientific Notation
- Multiplying Mixed Numbers
- Multiplying Mixed Numbers 1 (ex1)
- Multiplying Monomials
- Multiplying Monomials by Polynomials
- Multiplying Negative Real Numbers
- Multiplying Polynomials
- Multiplying Polynomials 2
- Multiplying Polynomials 3
- Multiplying Polynomials1
- Multiplying Real Number Application
- Multiplying Whole Numbers and Applications 1
- Multiplying Whole Numbers and Applications 2
- Multiplying Whole Numbers and Applications 3
- Multiplying Whole Numbers and Applications 4
- Multiplying Whole Numbers and Applications 5
- Multiplying Whole Numbers and Applications 6
- Myosin and Actin
- Napoleon and the War of the Fourth Coalition
- Napoleon and the War of the Third Coalition
- Napoleon and the Wars of the First and Second Coalitions
- Napoleon Forced to Abdicate
- Napoleon’s Peninsular Campaigns
- Natural Logarithm With a Calculator
- Natural Selection and the Owl Butterfly
- Navigation Word Problem
- Negative and Positive Exponents
- Negative Exponent Intuition
- Negative Externalities
- Negative Numbers Introduction
- Neuronal Synapses (Chemical)
- New Operator Definitions
- Newton’s First Law of Motion
- Newton’s Second Law of Motion
- Newton’s Third Law of Motion
- Non-Linear Systems of Equations 1
- Non-Linear Systems of Equations 2
- Non-Linear Systems of Equations 3
- Normal and Inferior Goods
- Normal Colon Tissue
- Normal Force and Contact Force
- Normal Force in an Elevator
- Number Base Conversion Practice
- Number Sets
- Number Sets 1
- Number Sets 2
- Number Sets 3
- Numerator and Denominator of a Fraction
- Object Image and Focal Distance Relationship (Proof of Formula)
- Object Image Height and Distance Relationship
- Officer on Horseback
- Oligopolies and Monopolistic Competition
- Oligopolies, Duopolies, Collusion and Cartels
- One-Step Equation Involving Fractions
- One-Step Inequalities
- One-Step Inequalities 2
- Open Market Operations and Quantitative Easing Overview
- Open-End Mutual Fund Redemptions
- Open-Ended Mutual Fund (Part 1)
- Open-Ended Mutual Funds
- Opportunity Cost
- Opposite of a Given Number
- Opposite of a Polynomial
- Optimal Angle for Projectile Part 1
- Optimal Angle for Projectile Part 2- Hangtime
- Optimal Angle for Projectile Part 3- Horizontal Distance as a Function of Angle (and Speed)
- Optimal Angle for Projectile Part 4- Finding the Optimal Angle and Distance with a bit of Calculus
- Optimal Point on Budget Line
- Option Expiration and Price
- Optional Calculus Proof to Show that MR has Twice Slopes of Demand
- Orbitals
- Order of Operations
- Order of Operations 1
- Order of Operations 2
- Order of Operations 2 (Old)
- Ordered Pair Solutions of Equations
- Ordering Fractions
- Ordering Negative Numbers
- Ordering Numeric Expressions
- Origins of Algebra
- Other Periodic Table Trends
- Other Triangle Congruence Postulates
- Overtaking Word Problem
- Overview of Fractional Reserve Banking
- Oxidation and Reduction in Cellular Respiration
- Oxidation and Reduction Review from Biological Point of View
- Oxidative Phosphorylation and Chemiosmosis
- Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon
- P/E Conundrum
- P/E Discussion
- Pangaea
- Parabola Focus and Directrix 1
- Parabolic Mirrors 2
- Parabolic Mirrors and Real Images
- Parallax in Observing Stars
- Parallel Line Equation
- Parallel Lines
- Parallel Lines 2
- Parallel lines 3
- Parametric Equations 1
- Parametric Equations 2
- Parametric Equations 3
- Parametric Equations 4
- Parsec Definition
- Parsing Gross Domestic Product
- Part 1 of Proof of Heron’s Formula
- Part 2 of the Proof of Heron’s Formula
- Partial Fraction Expansion 1
- Partial Fraction Expansion 2
- Partial Fraction Expansion 3
- Partial Pressure
- Partial Quotient Division
- Partial Quotient Method of Division 2
- Parts of a Cell
- Parts of a Circle
- Passed Bike Word Problem
- Passing Trains
- Pattern of US Cold War Interventions
- Patterns in Sequences 1
- Patterns in Sequences 2
- Payday Loans
- Paying Doctors
- Pegging the Yuan
- Percent and Decimals
- Percentage Tax on Hamburgers
- Perfect Competition
- Perfect Inelasticity and Perfect Elasticity of Demand
- Performing Arithmetic Calculations on Units of Volume
- Perimeter and Area Basics
- Perimeter and Area of a Non-Standard Polygon
- Perimeter and Unit Conversion
- Perimeter of a Polygon
- Periodic Table Trends: Ionization Energy
- Permutations
- Permutations and Combinations 1
- Permutations and Combinations 2
- Permutations and Combinations 3
- Permutations and Combinations 4
- Perpendicular Line Slope
- Perpendicular Lines
- Perpendicular lines 2
- Perpendicular Radius Bisects Chord
- Personal Bankruptcy: Chapters 7 and 13
- pH of a Weak Acid
- pH of a Weak Base
- pH, pOH of Strong Acids and Bases
- Phase Diagrams
- Phases of Meiosis
- Phases of Mitosis
- Phillips Curve
- Photorespiration
- Photosynthesis
- Photosynthesis: Calvin Cycle
- Photosynthesis: Light Reactions 1
- Photosynthesis: Light Reactions and Photophosphorylation
- pKa and pKb Relationship
- Place Value 1
- Place Value 2
- Place Value 3
- Plate Tectonics- Difference Between Crust and Lithosphere
- Plate Tectonics- Evidence of Plate Movement
- Plate Tectonics- Geological Features of Convergent Plate Boundaries
- Plates Moving Due to Convection in Mantle
- Plot Ordered Pairs
- Plotting (x, y) Relationships
- Plotting Projectile Displacement, Acceleration, and Velocity
- Point Line Distance and Angle Bisectors
- Point-slope and standard form
- Points on a Number Line
- Poisson Process 1
- Poisson Process 2
- Polar Coordinates 1
- Polar Coordinates 2
- Polar Coordinates 3
- Polyalphabetic Cipher
- Polynomial Divided by Monomial
- Polynomials 2
- Polynomials1
- Ponzi Schemes
- Positive Externalities
- Potassium-Argon (K-Ar) Dating
- Potential Energy Stored in a Spring
- Precession Causing Perihelion to Happen Later
- Precocious Puberty
- Present Value 2
- Present Value 3
- Present Value 4 (and Discounted Cash Flow)
- Price and Market Capitalization
- Price Behavior After Announced Acquisition
- Price Elasticity of Demand
- Price of Related Products and Demand
- Primaries and Caucuses
- Prime Factorization
- Prime Numbers
- Prisoners’ Dilemma and Nash Equilibrium
- Probability (part 2)
- Probability (part 3)
- Probability (part 4)
- Probability (part 5)
- Probability (part 6)
- Probability (part 7)
- Probability (part 8)
- Probability 1 Module Examples
- Probability and Combinations (part 2)
- Probability Density Functions
- Probability of Dependent Events
- Probability of Dependent Events 2
- Probability of More Complex outcome
- Probability using Combinations
- Probability with Playing Cards and Venn Diagrams
- Problem involving angle derived from square and circle
- Producer Surplus
- Product of Functions
- Production Possibilities Frontier
- Professional Antigen Presenting Cells (APC) and MHC II complexes
- Projectile at an Angle
- Projectile Height Given Time
- Projectile Motion with Ordered Set Notation
- Projectile on an Incline
- Proof (Advanced) Field from Infinite Plate (Part 1)
- Proof (Advanced) Field from Infinite Plate (Part 2)
- Proof - Corresponding Angle Equivalence Implies Parallel Lines
- Proof - Diagonals of a Parallelogram Bisect Each Other
- Proof - Opposite Angles of Parallelogram Congruent
- Proof - Opposite Sides of Parallelogram Congruent
- Proof - Rhombus Area Half Product of Diagonal Length
- Proof - Rhombus Diagonals are Perpendicular Bisectors
- Proof - Sum of Measures of Angles in a Triangle are 180
- Proof - Triangle Altitudes are Concurrent (Orthocenter)
- Proof by Induction
- Proof-Vertical Angles are Equal
- Proof: A(log B) = log (B^A), log A - log B = log (A/B)
- Proof: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)
- Proof: Hyperbola Foci
- Proof: Law of Sines
- Proof: lim (sin x)/x
- Proof: log a + log b = log ab
- Proof: S (or Entropy) is a Valid State Variable
- Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b)
- Proof: U=(3/2)PV or U=(3/2)nRT
- Proof: Volume Ratios in a Carnot Cycle
- Proper and Improper Fractions
- Properties of Whole Numbers
- Proportionality Constant for Direct Variation
- Proving that the Centroid is 2-3rds along the Median
- Punnett Square Fun
- Pure Numbers and Significant Digits
- Put as Insurance
- Put Payoff Diagram
- Put vs. Short and Leverage
- Put Writer Payoff Diagrams
- Put-Call Parity
- Put-Call Parity Arbitrage I
- Put-Call Parity Arbitrage II
- Put-Call Parity Clarification
- PV-diagrams and Expansion Work
- Pythagorean Theorem 1
- Pythagorean Theorem 2
- Pythagorean Theorem 3
- Pythagorean Theorem Application
- Pythagorean Theorem II
- Pythagorean Theorem Proof Using Similarity
- Quadrants of Coordinate Plane
- Quadratic Equation part 2
- Quadratic Equations in Standard Form
- Quadratic Formula (proof)
- Quadratic Formula 1
- Quadratic Formula 2
- Quadratic Formula 3
- Quadratic Functions 1
- Quadratic Functions 2
- Quadratic Functions 3
- Quadratic Inequalities
- Quadratic Inequalities (Visual Explanation)
- Quadrilateral Overview
- Quadrilateral Properties
- Quantitative Easing
- Quasar Correction
- Quasars
- Quasistatic and Reversible Processes
- Quotient of Functions
- Race Cars with Constant Speed Around Curve
- Radians and Degrees
- Radical Equation Application Problem
- Radical Equivalent to Rational Exponents
- Radical Equivalent to Rational Exponents 2
- Radius of Observable Universe
- Radius of Observable Universe (Correction)
- Raising Money for a Startup
- Random Predictions for 2060
- Range and Mid-Range
- Rate Problem Involving Rational Equations
- Ratio problem with basic algebra (new HD)
- Rational Equations
- Rational Exponents and Exponent Laws
- Rational Inequalities
- Rational Inequalities 2
- Rationalizing Denominators of Expressions
- Rationalizing Denominators With Conjugates
- Ratios as Fractions in Simplest Form
- Reactions in Equilibrium
- Reading Bar Graphs
- Reading Box-and-Whisker Plots
- Reading line Graphs
- Reading Pictographs
- Reading Pie Graphs (Circle Graphs)
- Real and Nominal Return
- Real GDP and Nominal GDP
- Real GDP Driving Price
- Rearrange Formulas to Isolate Specific Variables
- Reciprocal of a Mixed Number
- Recognizing Direct and Inverse Variation
- Recognizing Divisibility
- Recognizing Linear Functions
- Recognizing Odd and Even Functions
- Recognizing Prime Numbers
- Reconciling Thermodynamic and State Definitions of Entropy
- Red Blood Cells
- Red Shift
- Redox Reactions
- Refraction and Snell’s Law
- Refraction in Water
- Refraction of Seismic Waves
- Relation Between Nominal and Real Returns and Inflation
- Relations and Functions
- Relationship Between Angular Velocity and Speed
- Relationship Between Bond Prices and Interest Rates
- Rent Control and Deadweight Loss
- Renting vs. Buying (Detailed Analysis)
- Renting vs. Buying a Home
- Renting vs. Buying a Home (Part 2)
- Representing a Number as a Decimal, Percent, and Fraction
- Representing a Number as a Decimal, Percent, and Fraction 2
- Representing Functions as Graphs
- Repurchase Agreements (Repo Transactions)
- Return on Capital
- Review of B cells, CD4 + T cells and CD8+ T cells
- Review of China US Currency Situation
- Review of Revenue and Cost Graphs for a Monopoly
- Review of Triangle Properties
- Rhombus Diagonals
- Right Triangles Inscribed in Circles (Proof)
- Risk and Reward Introduction
- Risks of Keynesian Thinking
- Ritual of the Bedside Exam
- ROA Discussion 1
- ROA Discussion 2
- Role of Phagocytes in Innate or Nonspecific Immunity
- Role of the Sarcoplasmic Reticulum in Muscle Cells
- Roth IRAs
- Rounding Decimals
- Rounding to Estimate Differences
- Rounding to Estimate Sums
- Rounding to Estimate Sums 2
- Rounding Whole Numbers 1
- Rounding Whole Numbers 2
- Rounding Whole Numbers 3
- Scale of Distance to Closest Stars
- Scale of Earth and Sun
- Scale of Solar System
- Scale of the Galaxy
- Scale of the Large
- Scale of the Small
- Scientific Notation (Old)
- Scientific notation 1
- Scientific notation 2
- Scientific notation 3
- Scientific Notation 3 (New)
- Scientific Notation Example 2
- Scientific Notation Examples
- Scientific Notation I
- Seasons Aren’t Dictated By Closeness to Sun
- Secondary Active Transport in the Nephron
- Seismic Waves
- Sequences and Series (part 1)
- Sequences and series (part 2)
- Series Sum Example
- Severe Contango Generally Bearish
- Sex-Linked Traits
- Shifts In Aggregate Demand
- Short Run Aggregate Supply
- Short-Run Oil Prices
- Shorting Stock
- Shorting Stock 2
- Significant Figures
- Similar Triangle Basics
- Similar Triangle Example Problems
- Similar triangles
- Similar triangles (part 2)
- Similar Triangles Corresponding Sides and Angles
- Similarity Example Problems
- Similarity example where same side plays different roles
- Similarity Postulates
- Simple Analysis of Cost per Job Saved from Stimulus
- Simple Equations
- Simple Fractional Reserve Accounting (Part 2)
- Simple Merger Arb with Share Acquisition
- Simple Probability
- Simple Quadratic Equation
- Simplifying an Expression With Multiple Variables
- Simplifying Cube Roots
- Simplifying Expressions with Exponents
- Simplifying Expressions with Exponents 2
- Simplifying Expressions with Exponents 3
- Simplifying First for Subtracting Rational Expressions
- Simplifying Multivariable Polynomial
- Simplifying Radical Expressions 1
- Simplifying Radical Expressions 2
- Simplifying Radical Expressions 3
- Simplifying Radicals
- Simplifying Rates and Ratios
- Simplifying Rational Expressions 1
- Simplifying Rational Expressions 2
- Simplifying Rational Expressions 3
- Simplifying Rational Expressions Example 2
- Simplifying Square Roots
- Simplifying Square Roots Comment Response
- Simply a Polynomial
- Slope and Y-intercept Intuition
- Slope Example
- Slope of a line
- Slope of a Line 2
- Slope of a Line 3
- Snell’s Law Examples 1
- Snell’s Law Examples 2
- Social Security Intro
- Sodium Potassium Pump
- Solid Geometry Volume
- Solubility
- Solving a quadratic by factoring
- Solving and graphing linear inequalities in two variables 1
- Solving Application Problems Involving Units of Volume
- Solving Equations 1
- Solving Equations 2
- Solving Equations with the Distributive Property
- Solving Equations with the Distributive Property 2
- Solving Exponential Equations
- Solving Factored Equations
- Solving for a Variable
- Solving for a Variable 2
- Solving for Time
- Solving Inequalities
- Solving Logarithmic Equations
- Solving Logarithmic Equations
- Solving One-Step Equations
- Solving One-Step Equations 2
- Solving Percent Problems 2
- Solving Percent Problems 3
- Solving Quadratic Equations by Factoring
- Solving Quadratic Equations by Factoring 2
- Solving Quadratic Equations by Factoring 3
- Solving Quadratics by Factoring
- Solving Radical Equations
- Solving Radical Equations 1
- Solving Radical Equations 2
- Solving Radical Equations 3
- Solving Rational Equations 1
- Solving Rational Equations 2
- Solving Rational Equations 3
- Solving systems by elimination
- Solving systems by elimination 2
- Solving systems by elimination 3
- Solving systems by graphing
- Solving Systems by Graphing
- Solving systems by graphing 2
- Solving systems by graphing 3
- Solving systems by substitution 1
- Solving systems by substitution 2
- Solving systems by substitution 3
- Solving the Troll Riddle Visually
- SOPA and PIPA
- Soultions to Three Variable System
- Space Station Speed in Orbit
- Special Polynomials Products 1
- Special Products of Polynomials 1
- Special Products of Polynomials 2
- Special Products of Polynomials 3
- Species
- Specific Heat, Heat of Fusion and Vaporization
- Spectrophotometry Example
- Spectrophotometry Introduction
- Specular and Diffuse Reflection
- Specular and Diffuse Reflection 2
- Speed Translation
- Spring Potential Energy Example (Mistake in Math)
- Square a Binomial
- Squeeze Theorem
- SSS to Show a Radius is Perpendicular to a Chord that it Bisects
- Stagflation
- Star Field and Nebula Images
- States of Matter
- States of Matter Follow-Up
- Static and Kinetic Friction Example
- Steam-and-Leaf Plots
- Stellar Distance Using Parallax
- Stellar Parallax
- Stellar Parallax Clarification
- Stenosis, Ischemia and Heart Failure
- Stock Dilution
- Stoichiometry
- Stoichiometry Example Problem 1
- Stoichiometry Example Problem 2
- Stoichiometry of a Reaction in Solution
- Stoichiometry: Limiting Reagent
- Strokes
- Strong Acid Titration
- Structure of the Earth
- Substitution Method
- Substitution Method 2
- Substitution Method 3
- Subtracting and Simplifying Radicals
- Subtracting Complex Numbers
- Subtracting Decimals
- Subtracting Decimals (Old)
- Subtracting Decimals Word Problem
- Subtracting Fractions
- Subtracting Fractions (ex 1)
- Subtracting Fractions with Common Denominators (ex 1)
- Subtracting Mixed Numbers
- Subtracting Mixed Numbers 2
- Subtracting Mixed Numbers Word Problem
- Subtracting Polynomials
- Subtracting Polynomials With Multiple Variables
- Subtracting Rational Expressions
- Subtracting Real Numbers
- Subtracting Whole Numbers
- Subtraction 2
- Subtraction 3: Introduction to Borrowing or Regrouping
- Subtraction With Borrowing or Regrouping
- Subtraction Word Problem
- Sum of Consecutive Odd Integers
- Sum of Functions
- Sum of Interior Angles of a Polygon
- Sum of Logarithms With Same Base
- Sum of the exterior angles of convex polygon
- Supermassive Black Holes
- Supernova (Supernovae)
- Supernova Clarification
- Suspensions, Colloids, and Solutions
- System of Inequalities Application
- Systemic Thinking About Cancer
- Systems and rate problems
- Systems and rate problems 2
- Systems and rate problems 3
- systems of equations
- Systems of Three Variables
- Systems of Three Variables 2
- Taking percentages
- Tau versus Pi
- Tax Deductions Introduction
- Tax Lever of Fiscal Policy
- Taxation and Dead Weight Loss
- Taxes and Perfectly Elastic Demand
- Taxes and Perfectly Inelastic Demand
- Taxes for Factoring in Negative Externalities
- Taxonomy and the Tree of Life
- Tension (Part 2)
- Tension in an Accelerating System and Pie in the Face
- Term and Whole Life
- Term and Whole Life Insurance Policies
- Term and Whole Life Insurance Policies 2
- Term Life Insurance and Death Probability
- Terms Coefficients and Exponents in a Polynomial
- Testing a Solution for a System of Equations
- Testing if a relationship is a function
- Testing Solutions for a System of Inequalities
- The Angle Game
- The Beauty of Algebra
- The Business Cycle
- The Discount Rate
- The Dot Product
- The Golden Ratio
- The Housing Price Conundrum
- The Kidney and Nephron
- The Lungs and Pulmonary System
- The Mohorovicic Seismic Discontinuity
- The Mole and Avogadro’s Number
- The Pythagorean Theorem
- The Rule of 72 for Compound Interest
- The unit circle definition of trigonometric function
- The Yield Curve
- Thermodynamic Entropy Definition Clarification
- Thermodynamics (Part 1)
- Thermodynamics (Part 2)
- Thermodynamics (Part 3)
- Thermodynamics (Part 4)
- Thermodynamics (Part 5)
- Thomas Malthus and Population Growth
- Three Equation Application Problem
- Three Points Defining a Circle
- Thrombo-emboli and Thromboembolisms
- Time Differences 1
- Time Differences in Different Time Zones
- Time Value of Money
- Titration Roundup
- Total Consumer Surplus as Area
- Total Displacement for Projectile
- Total Final Velocity for Projectile
- Total Internal Reflection
- Total Revenue and Elasticity
- Traditional IRAs
- Tragedy of the Commons
- Treasury Bond Prices and Yields
- Triangle Angle Example 1
- Triangle Angle Example 2
- Triangle Angle Example 3
- Triangle Area Proofs
- Triangle Medians and Centroids
- Triangle Medians and Centroids (2D Proof)
- Trig identities part 2
- Trig identities part 3
- Trigonometric Identities
- Trigonometric System Example
- Trigonometry Identity Review/Fun
- Trigonometry word problems (part 1)
- Trigonometry word problems (part 2)
- Troll, Tolls and Systems of Equations
- Tropomyosin and Troponin and their Role in Regulating Muscle Contraction
- Two column proof showing segments are perpendicular
- Two Passing Bicycles Word Problem
- Types of Decay
- Types of Immune Responses: Innate and Adaptive. Humoral vs. Cell-Mediated
- Types of Indifference Curves
- U.S. Customary and Metric Units
- Understanding Calendar Notation
- Understanding Exponents
- Understanding Exponents 2
- Understanding Logical Statements 1
- Understanding Logical Statements 2
- Understanding Logical Statements 3
- Understanding Logical Statements 4
- Understanding Logical Statements Commentary
- Understanding Proportions
- Understanding Square Roots
- Unemployment
- Unemployment Rate Primer
- Unemployment Rate Primer (v2)
- Unit Circle Definition of Trig Functions
- Unit Conversion
- Unit Conversion Example: Drug Dosage
- Unit Conversion With Fractions
- Unit Vector Notation
- Unit Vector Notation (Part 2)
- Unit Vectors and Engineering Notation
- Upper Bound on Forward Settlement Price
- US and Japanese Quantitative Easing
- US History Overiew 2: Reconstruction to the Great Depression
- US History Overview 1: Jamestown to the Civil War
- US History Overview 3: WWII to Vietnam
- Usain Bolt’s Average Speed
- Use Cases for Credit Default Swaps
- Using a Protractor
- Using Multiple Logarithm Properties to Simplify
- Using Reserves to Stabilize Currency
- Using the Pythagorean Theorem
- Using Trig Functions
- Using Trig Functions Part II
- Valance Electrons
- Van Der Waals Forces
- Vapor Pressure
- Vapor Pressure Example
- Variables and Expressions 1
- Variables Expressions and Equations
- Variation in a Species
- Velocity of Money Rather Than Quantity Driving Prices
- Verifying Hedge with Futures Margin Mechanics
- Vi and Sal Explore How We Think About Scale
- Vi and Sal Talk About the Mysteries of Benford’s Law
- Vietnam War
- Viewing g as the Value of Earth’s Gravitational Field Near the Surface
- Virtual Image
- Viruses
- Visual Understanding of Centripetal Acceleration Formula
- Visualizing Average Costs and Marginal Costs as Slope
- Visualizing Vectors in 2 Dimensions
- Vitamin C and the Limeys
- Voltage
- Volume of a Composite Shape
- Volume of a Sphere
- Weak Acid Titration
- Weaknesses of Fractional Reserve Lending
- Wealth Destruction 1
- Wealth Destruction 2
- What Causes Precession and Other Orbital Changes
- What is Inflation
- What It Means to Buy a Company’s Stock
- When Capitalism is Great and Not-so-great
- When the Source and the Wave Move at the Same Velocity
- White and Black Dwarfs
- Why Borrowing Works
- Why Cepheids Pulsate
- Why Current and Capital Accounts Net Out
- Why Distance is Area under Velocity-Time Line
- Why Europe is Worried About Greece
- Why Gravity Gets So Strong Near Dense Objects
- Why Lattice Multiplication Works
- Why Parties to Cartels Cheat
- Why S-Waves Only Travel in Solids
- Work and Energy (Part 2)
- Work Done by Isothermic Process
- Work from Expansion
- Work/Energy Problem with Friction
- Would a Brick or a Feather Fall Faster
- Writing and using inequalities
- Writing and using inequalities 2
- Writing and using inequalities 3
- Writing Proportions
- X and Y intercepts
- X and Y intercepts 2
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