Colour Contrast Tool NEW
Check the WCAG 3 contrast between two colours and convert between colour models
Cribbage Discard Pro NEW
Enter a cribbage hand and the computer will tell you what to discard
NHL Trades
An interactive visualization of all NHL trades and signings from Aug 1, 2005 to Oct 21, 2017
Play Battleship
Try your luck against a computer opponent that uses probability to choose its moves!
Dice
Roll these 3D dice and watch them spin hypnotically
Battleship Probability Calculator
Cheat at battleship: find the optimal square to try next using the magic of statistics
The Antisocial Network
A simulated social network: no real people, guaranteed success
Online Cribbage Board
A free online HTML5 cribbage board. Choose your board style and save your game for later!
Motion Graphs
Generate position, velocity, and time graphs from given values