This story is a supplement to the feature "Rubik's Cube Inspired Puzzles Demonstrate Math's "Simple Groups"" which was printed in the July 2008 issue of Scientific American. All three new puzzles ...
Four. Three. One. Five. Two. Nothing happens. The evil genius Derango is loading a cataclysmic computer virus that, when launched, will lock the entire world out of the internet. In five minutes, no ...
Get ready to use the BigInteger data type as Dr. James McCaffrey of Microsoft Research demonstrates zero-based mathematical permutations with C#. A zero-based mathematical permutation of order n is a ...
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