Virtual telegraph and morse code translator

Animations and interactions done purely in CSS (no javascript)

test alternative piano layouts with different synth sounds

Synthesize, hear, and view different wave forms

Play a stradella bass accordion with your keyboard

Step through expressions written in lambda calculus

Switch between letters, morsecode, braille, and others

Calculate the nearest fractions for a decimal number

Play synthesized sounds on a virtual piano in different temperaments

Watch some eyes move around the screen

Find the best fit polynomial for a set of points using linear regression or gradient descent

Plot polynomials

Make a tasty bowl of soup