Resources

Quick guides on math, electronics, and finance basics.

Electronics

A complete guide to the fundamental building blocks of digital circuits.

The fundamental relationship between voltage, current, and resistance explained.

Learn to read resistor values using the colored bands.

A complete guide to percentage calculations with practical examples.

Master conversions between metric and imperial units.

Learn what logarithms are and how to use them.

How compound interest works and why it matters for your money.

Understand the difference and why it matters.

More resources coming soon! Have a topic you'd like us to cover? Let us know.