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Showing videos from
**Eddie Woo**
with a total of **3,959** videos

07:33 Mathematical Cryptosystems (1 of 2: Symmetric Cryptography)

4y5m ago

09:20 Measures of Central Tendency (2 of 2: Quantitative & Categorical Data)

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15:26 Measures of Central Tendency (1 of 2: Comparing Mean & Median)

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08:39 Volume & Surface Area of a Triangular Prism

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05:46 Volume of a Hollowed-Out Cylinder

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03:23 Area of a Sector

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08:11 The Unbreakable Cipher: One-Time Pads (2 of 2: Their Weaknesses)

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12:09 The Unbreakable Cipher: One-Time Pads (1 of 2: How do they improve on Caesar?)

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07:05 Calculating Heights w/ a Spreadsheet (3 of 3: How do you work out inches?)

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07:22 Calculating Heights w/ a Spreadsheet (2 of 3: Converting metres to feet)

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08:59 Calculating Heights w/ a Spreadsheet (1 of 3: Setting up the data)

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02:46 Upgrading the Tax Spreadsheet (3 of 3: Extending to Multiple Tax Brackets)

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05:49 Upgrading the Tax Spreadsheet (2 of 3: Distinguishing Tax Brackets)

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08:58 Upgrading the Tax Spreadsheet (1 of 3: Introduction to IF Statements)

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05:49 Calculating Income Tax w/ a Spreadsheet (2 of 2: Tax Payable)

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06:44 Calculating Income Tax w/ a Spreadsheet (1 of 2: Annual Income)

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05:09 Introduction to Cryptography (2 of 2: How to crack the Caesar Cipher)

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10:51 Introduction to Cryptography (1 of 2: What's a Cipher?)

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11:59 Interesting Circle Geometry / Motion Question (2 of 2: External Angular Velocity)

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06:27 Interesting Circle Geometry / Motion Question (1 of 2: Internal Angular Velocities)

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10:12 Interesting Complex Polynomial Question (2 of 2: Trigonometric Result)

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14:33 Interesting Complex Polynomial Question (1 of 2: Factorisation)

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07:04 Calculating Compound Interest with a Spreadsheet (2 of 2: How to fix the formulas)

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13:22 Calculating Compound Interest with a Spreadsheet (1 of 2: What's wrong?)

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07:25 Goal Seeking with a Spreadsheet

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02:02 Matrix Determinants (3 of 3: How to Calculate It)

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10:35 Matrix Determinants (2 of 3: The Determinant's Geometric Meaning)

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07:08 Matrix Determinants (1 of 3: Matrices as Vectors)

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05:16 Finding the Inverse of a 3x3 Matrix

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05:01 Finding the Inverse of a 2x2 Matrix

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11:40 What is the Inverse of a Matrix?

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09:32 Calculating Wages w/ Spreadsheets (2 of 2: Constructing the Formulas)

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09:07 Calculating Wages w/ Spreadsheets (1 of 2: Understanding the Relevant Data)

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07:16 Depreciation (3 of 3: Straight Line vs. Declining Balance)

4y6m ago

10:13 Depreciation (2 of 3: Interpreting Graphs)

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10:26 Depreciation (1 of 3: Introduction)

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10:09 Harder (Ext 2) Integral Question (2 of 2: Evaluating Related Limiting Sum)

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08:13 Harder (Ext 2) Integral Question (1 of 2: Manipulating the Recurrence Relation)

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05:44 Binomial / Permutations & Combinations Proof (2 of 2)

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10:58 Binomial / Permutations & Combinations Proof (1 of 2)

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11:15 Matrix Multiplication (3 of 3: Observations & Characteristics)

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03:05 Matrix Multiplication (2 of 3: Quick Example)

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12:17 Matrix Multiplication (1 of 3: Basic Principles)

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03:56 Argand Diagram / Locus Question

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06:17 Interesting Permutations Question: Summing 3-Digit Numbers

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11:21 Understanding & Applying the Conjugate Root Theorem

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07:57 Harder (Ext 2) Integral Requiring Substitution

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09:14 Introduction to the Hyperbola (2 of 2: Basic Shape & Characteristics)

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11:37 Introduction to the Hyperbola (1 of 2: Mathematical Modelling)

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10:06 Exponential Graphs (2 of 2: Plotting Points)

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09:58 Exponential Graphs (1 of 2: Considering the Values)

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13:41 Review: Linear & Parabolic Graphs

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03:52 Solving Augmented Matrices (4 of 4: Row Reduction Example)

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06:36 Solving Augmented Matrices (3 of 4: Gaussian Elimination)

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05:22 Solving Augmented Matrices (2 of 4: Elementary Row Operations)

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08:25 Solving Augmented Matrices (1 of 4: Worked Solution)

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10:51 Journeys of Discovery in the Maths Classroom (5 of 5: Innovating with Trigonometry) - by Robin Nagy

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10:13 Journeys of Discovery in the Maths Classroom (4 of 5: Creative Introductions) - by Robin Nagy

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11:16 Journeys of Discovery in the Maths Classroom (3 of 5: Comparing Counting Systems) - by Robin Nagy

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08:40 Journeys of Discovery in the Maths Classroom (2 of 5: Number Base Presentations) - by Robin Nagy

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10:35 Journeys of Discovery in the Maths Classroom (1 of 5: Circuit Training) - by Robin Nagy

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08:03 Finding Unknown Angle with Trigonometry: Example 2

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08:58 Finding Unknown Angle with Trigonometry: Example 1

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07:13 Finding Unknown Side with Trigonometry: Example 2

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05:08 Finding Unknown Side with Trigonometry: Example 1

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07:27 Introduction to Matrices (3 of 3: Example & Key Advantages)

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08:23 Introduction to Matrices (2 of 3: Notation & Basic Manipulation)

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05:04 Introduction to Matrices (1 of 3: Systems of Linear Equations)

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04:49 Duels & Secrets: Cubics & Complex Numbers (3 of 3: Bombelli) - by Gavin Sinclair

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09:53 Duels & Secrets: Cubics & Complex Numbers (2 of 3: Cardano & Ferrari) - by Gavin Sinclair

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10:23 Duels & Secrets: Cubics & Complex Numbers (1 of 3: Del Ferro) - by Gavin Sinclair

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02:26 Solving Cubic Equations (5 of 5: Summary & Example Problem) - by Gavin Sinclair

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