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				An idler's miscellany of compendious amusements ... Posted in Science & Math by Greg Ross on April 26th, 2010. Imagine you have a little robot that holds a pencil. ...			 
				
					http://www.futilitycloset.com/2010/04/26/spirolaterals/				
									
							 
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					This site is devoted to the number spiral, a type of graph that reveals the distribution of primes and other properties of integers.				 
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					Comprehensive and interactive encyclopedia of mathematical equations, terms, derivations, and more, for students, educators, math enthusiasts, and researchers.				 
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					Celebrates math puzzles and mathematical recreations.				 
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					Interactive mathematics miscellany and puzzles.				 
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					You may use only elementary geometry, such as the fact that the angles of a ... This is the hardest problem I have ever seen that is, in a sense, easy. ...				 
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					L'indovinello più difficile del mondo (The hardest logic puzzle in the world) is ... Retrieved from "http://en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever" ...				 
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					A website dedicated to the puzzling world of mathematics. Click icon to contact mathschallenge.net © mathschallenge.net. Text Size: A A ...				 
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					NEW MATH by CRAIG DAMRAUER				 
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