
Monolith  An evolutionary click game 

Adding machine  Binary adding machine powered by marbles 

Progress  Visualizing cycles 

US Debt Clock  Some frighteningly large amounts of money. 

Spurious correlations  You can prove anything with statistics. This is why you shouldn't eat cheese before bedtime. 

Get ready for the Pi day  Pointless excitement about a time and date in 2015 

Binary comes to life  011010011 

Alphametics + Cryptarithms  Try this: SITES + NONSENSE + NONSENSE + NONSENSE + POINTED = POINTLESS. Where each letter is a number from zero to nine (solvable!) 

2248  Another doubling game. Slide tiles horizontally, vertically or diagonally. 

Pi 100K  100,000 digits of Pi 

Accomplished  Things people have achieved at your age 

Other Worlds  How old are you in Martian years? 

Two hundred  Numbers from 1200 in Google images. 

World Population  ... 

Secret Santa  How to do Secret Santa properly 

Robot Jobs  Will robots take your job? 

Primes  Like 2048, but make the biggest prime number you can 

50 Cent  After adjustment for inflation 

Frog Fractions  Learn all about fractions! 

Covid Calculator  Interactive epidemic explainer 

McDonalds every second  What McDonalds sells every second 

Tau  Tau, twice pi  the first 100,000 digits. Print and keep this handy reference, in case you ever forget a digit. 

Falling time  3D time, constantly falling. 

Correlated  Odd correlations 

A View from the back of an envelope  Numbers nonsense.... 

Desmos Art  Drawing with equations. Check out "Paris street" 

Price points  Get facts on the best numbers for pricing... (PricePoints.com) 

200 years, 4 minutes  Hans Rosling  200 years of world statistics compressed into 4 minutes. 

3n+1  A simple but unsolved mathematical problem 

Octamatics  The power of eight 

Hash game  how in th 

Shuffling Cards  How many ways can 52 cards be shuffled? 

Mile of Pi  A milelong printout of pi 

Googolplex  10 to a googol 

Googolplex written out  The number Googolplex written out in a book and a series of PDF documents. 

2048 cubed  2048 in a 3D cube! Arrow keys, F, and V to slide. Spin the cube with the mouse. 

Wealth inequality  Scale graphics of wealth inequality in the USA 

Chaos Equations  Mathematical fireworks 

Kamogo Lottery  How long will it take to win? 

Mandelbrot Set  Mandelbrot  an exploration in pure mathematics 

New Math  Tom Lehrer song with animations. How's your octal? 
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