Front matter 2025

The first five pages with almost nothing on them

Mathematical equations (p.2)

Uncertainties (p.3)

Fundamental constants (p.3)

Metric (SI) multipliers (p.4)

Unit conversions (p.4)

Electrical circuit symbols (p.5)

Electromagnetic spectrum (p.5)

This is all old stuff from 2016, but it's mostly relevant.

1.2.1 - Adding with Uncertainties

1:19 The uncertainty rule for addition or subtraction

The uncertainty rule for addition or subtraction Example 1

The uncertainty rule for addition or subtraction Example 2

The uncertainty rule for addition or subtraction Example 3

1.2.2 - Multiplying or dividing with uncertainties

With percent:

1:23 Rule for multiplication and division Percents

Rule for multiplication and division Percents Example 1

Rule for multiplication and division Percents Example 2

Rule for multiplication and division Percents Example 3

With Absolute Uncertainty:

5:09 Rule for multiplication and division

Rule for multiplication and division Percents Example 1

Rule for multiplication and division Percents Example 2

Rule for multiplication and division Percents Example 3

1.2.3 - The rule for powers:

4:16 The rule for powers

The rule for powers Example 1

The rule for powers Example 2

The rule for powers Example 3

Many Examples:

SOHCAHTOA Components Example 1

SOHCAHTOA Components Example 2

SOHCAHTOA Components Example 3

Adding Component Vectors: 1:02

Adding Vector Components

Adding Vector Components Example 1

Adding Vector Components Example 2

Making Angle Magnitude Vectors: 4:54

Finding Angle Magnitude Vectors

Finding Angle Magnitude Vectors Example 1

Finding Angle Magnitude Vectors Example 3

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