This Proof Avoids Modular Inverses

Part 3: Inverting a Rational Function

Part 4: Inverting a Rational Function

The One Detail Everyone Misses About CRT

Why We Multiply by the Inverse to Solve Congruences

Part 2: Inverting a Rational Function

The Identity That Cracks This Number, Can You Use It?

There's an Exact Formula for This And It's Just a Square Root

Here's Something Weird About the Euclidean Algorithm