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## Moebius Gears in Action

## Tupper’s self-referential formula

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Ignorance is bliss, but that doesn’t mean you should lock your car when you go to the Arctic Circle.

“Only in math problems can you buy 60 cantaloupes and no one asks what the hell is wrong with you.”

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Moebius strips are pretty neat, but these Moebius gears take things to a whole new level. Check it out and tell us if you think it’s awesome. Source

Tupper’s self-referential formula is a self-referential formula defined by Jeff Tupper that, when graphed in two dimensions, can visually reproduce the formula itself. It is used in various math and computer science courses as an exercise in graphing formulae. The formula is an inequality defined by: where [.] denotes the floor function and mod is …