Puzzle
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Mathematical mysteries: twin primes
We know there is infinitely many primes, but are there infinitely many twin primes?
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The coin tossing problem
Winning pennies by flipping coins.
News story
Primes update: success again!
In issue No 1 we introduced GIMPS, the Great Internet Mersenne Prime Search. Well, on Sunday 24th August 1997 they did it again.
Puzzle
Birth dates
A problem for the ages!
News story
Pushing back Pi
Numbers like Pi have no repeating pattern. So just how accurately do we know what it is?
Puzzle
Puzzle page
Never forget your mum's birthday
News story
Cosmos launch
COSMOS, the world's first national cosmology supercomputer, has been launched.
Puzzle
Optimal stopping
Mathematically finding a partner