
Adding machine  Binary adding machine powered by marbles 

Progress  How much longer? 

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

Monolith  An evolutionary click game 

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

US Debt Clock  Some frighteningly large amounts of money. 

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

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

Correlated  Odd correlations 

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

Other Worlds  How old are you in Martian years? 

Accomplished  Things people have achieved at your age 

Robot Jobs  Will robots take your job? 

Secret Santa  How to do Secret Santa properly 

Falling time  3D time, constantly falling. 

Two hundred  Numbers from 1200 in Google images. 

McDonalds every second  What McDonalds sells every second 

Covid Calculator  Interactive epidemic explainer 

50 Cent  After adjustment for inflation 

Octamatics  The power of eight 

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

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

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

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

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

Sudoku slam  Online sudoku puzzle generator/solver 

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

Wealth inequality  Scale graphics of wealth inequality in the USA 

Hash game  how in th 

Sell! Sell! Sell!  Scroll down for some scary capitalism statistics 

Kamogo Lottery  How long will it take to win? 

Googolplex  10 to a googol 

Shuffling Cards  How many ways can 52 cards be shuffled? 

Mile of Pi  A milelong printout of pi 

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

Mandelbrot Set  Mandelbrot  an exploration in pure mathematics 

Days since incident  Tracking natural disasters on Earth 

Orbis  How long would your trip have taken in the Roman Empire? 

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

How Earth Moves  Unravelling the mysteries of time and space. 

Binary Piano  Who knew counting could be so musical? 
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