
Huge Numbers  A huge number, comes with free "puzzle" 

Jokes with Einstein  Hey, I got a joke 

Kamogo Lottery  How long will it take to win? 

List of numbers  A list of numbers (incomplete) 

Mandelbrot Set  Mandelbrot  an exploration in pure mathematics 

McDonalds every second  What McDonalds sells every second 

Mega Penny  Can you visualise 1 million coins? 

Mile of Pi  A milelong printout of pi 

Monolith  An evolutionary click game 

Mousepoint  A clickless mouse game 

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

Nonogram frvr  Nonogram puzzles. Gorgeous! 

Number  Rules: make number go up 

Octamatics  The power of eight 

One million giraffes  His friend Jørgen... 

Other Worlds  How old are you in Martian years? 

Paper  Keep folding the paper 

Paperclips  Build your own paperclip empire 

Passwords  humm  maybe now I will change my "123456" password  Ha! 

Pi sung  The digits of Pi.... sung.... 

Pi 100K  100,000 digits of Pi 

Pi to...  one million decimal places  someone somewhere may be interested?.... nah 

Pointless Calendar  Can you spot the pointless number? (appears on every page) 

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

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

primes  Ten thousand prime numbers 

Progress  Visualizing cycles 

Progress  How much longer? 

Robot Jobs  Will robots take your job? 

Secret Santa  How to do Secret Santa properly 

Seven Billion  7 billion people on 1 page 

Shuffling Cards  How many ways can 52 cards be shuffled? 

Sleep Calculator  If I go to sleep now, when should I wa... ZZzzzzz 

Spend  Spend Bill Gates' money 

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

Sudoku slam  Online sudoku puzzle generator/solver 

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

Two hundred  Numbers from 1200 in Google images. 

US Debt Clock  Some frighteningly large amounts of money. 

Wealth inequality  Scale graphics of wealth inequality in the USA 

What did Bowie do?  What did David Bowie achieve when he was your age? 
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