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Pure Numbers Daily Blog

Fun mathematical facts about today's date! I use a range of math operations and tools including (but not limited to), arithmetic, exponents, geometry, factorials, different number base systems, trigonometry, combinations and permutations. I welcome submissions that add onto today's date or suggest an idea for a future date. Enjoy!
Apr 1 '13

4/1/13

4 * 1 = 1 + 3

Also:

4 + 1 + 1 = 3!

Also:

4 - 1 = 1 * 3

Tags: 4.1.13