Your new favorite pi approximation.

the most viral "false" equation

From the IMO shortlist.

Calculating π by hand: the Chudnovsky algorithm

an amazing and mysterious approximation for pi!

MPM2D5 Further Quadratics

my new favorite proof of this classic result

Algebra 2 Chapter 4.3 (1)

a nice floor problem from the IMO long list.

Pade Approximation -- unfortunately missed in most Caclulus courses

Integrate 1/(1+x^3)

How Imaginary Numbers Were Invented

these numbers are "best friends"

College Algebra 3.5 Rational Functions: Graphs, Applications, and Models

A Nice Exponential Equation with A Little Bit of Controversy

an absurd approach to a simple mathematics problem

24-12-04[3.2 PR 2] Derivatives Involving Logs

Can you crack this beautiful equation? – University exam question

Some geometry behind the Basel problem

Calculate logarithms in your head! – Without calculator

Celebration of Learning #4 SG Help Video (Part 2)