Interactive Mathematics
Interactive Mathematics is a place where curious minds can explore mathematical ideas through small interactive experiences.
New
Galton Board
How do balls falling through a lattice of pegs always end up forming the same shape?
Map Coloring
Can every map be colored with just 4 colors? Explore the Four Color Theorem.
Pappus's Hexagon Theorem
Two lines, six points, six segments. Why do the intersection points always line up?
Collatz Conjecture
Unsolved since 1937: does every number eventually reach 1?
Königsberg Bridges
Can you cross all seven bridges exactly once?
Caesar Cipher
Encode and decode messages using a Caesar cipher.
Towers of Hanoi
Move all disks in the minimum number of moves!
Birthday Paradox
What's the probability of a shared birthday in a group of 23 people?
Don’t miss new content
Leave your email to hear about new content as I publish it.