Math Magic is a web site devoted to
original mathematical recreations. If you have a math puzzle, discovery, or observation, please e-mail me about it. You can also send answers to the problem of the month. |

Math Magic Archive |

(April 2014)

What if we are allowed to use square roots instead of logarithms? What if we are allowed to use decimal points instead? (I'm thinking that decimal points shouldn't count in the computation of complexity, since they cannot be used arbitrarily often.)

You can see all the best-known results here.

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Weekly Puzzle Sites: | | Ken Duisenberg | NPR | Puzzability | The Griddle | Puzzle Picnic | Nick's | |

Other Puzzle Sites: | | MathPuzzle.com | IBM | Retrograde Analysis | Puzzle Palace | Terry Stickels | |

Interactive Puzzle Sites: | | Click Mazes | Puzzle Beast | Logic Mazes | Color Shift | Grid 1 | 2 | Boomshine | |

Physics-Based Puzzle Sites: | |
Perfect Balance 1 |
2 |
Assembler 1 |
2 |
3 |
4 |
Splitter | | Color Infection | Redstar Fall 1 | 2 | Fantastic Contraption | |

Colleges with Puzzles: | | Macalester | Missouri State | Purdue | Hamline | |

Great Math Sites: | | Geometry Junkyard |
Math World |
Mathematician Biographies |
| Integer Sequences | Inverse Calculator | Geometric Dissections | |

Recreational Math Sites: | | Mike Keith |
Harvey Heinz |
Primes |
GIMPS |
| Polyforms | World of Numbers | Soup Kitchen | |