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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!
Oct 20 '14

10/20/14

10 / 20 = 1 / √4

Also:

1 + 0 + 2 + 0 + 1 = 4

Tags: 10.20.14
Oct 19 '14

10/19/14

10 + 1 - 9 = 1 * √4

Also:

101 (mod 9) = 1 * √4

Also:

10 - 1 = 9 * 1^4

Tags: 10.19.14
Oct 18 '14

10/18/14

10 = 1 + 8 + 1^4

Also:

1 + 0 + 1 = 8 * 1 / 4

Also:

101 (mod 8) = 1 + 4

Tags: 10.18.14
Oct 17 '14

10/17/14

10 + 1 - 7 = 1 * 4

Also:

1 + 0 + 1 = 7 - 1 - 4

Also:

10 = 1 + 7 + (1 * √4)

Also:

10 = (|1 - 7| - 1) * √4

Tags: 10.17.14
Oct 16 '14

10/16/14

10 - (1 * 6) = 1 * 4

Also:

10 - 1 - 6 + 1 = 4

Also:

10 = (|1 - 6|) * 1 * √4

Also:

1 + 0 + 1 = (6 * 1) - 4

Tags: 10.16.14
Oct 15 '14

10/15/14

10 = 15 - 1 - 4

Also:

10 - 1 - 5 = 1 * 4

Also:

10 = 1 * 5 * 1 * √4

Tags: 10.15.14
Oct 14 '14

10/14/14

1 + 0 = 14 / 14

Also:

10 - 1 - 4 = 1 + 4

Also:

10 = (1 + 4) * 1 * √4

Tags: 10.14.14
Oct 13 '14

10/13/14

10 = 13 + 1 - 4

Also:

1 + 0 + 13 = 14

Also:

10 = (1 + 3 + 1) * √4

Tags: 10.13.14
Oct 12 '14

10/12/14

10 = 12 - (1 * √4)

Also:

1 + 0 + 1 + 2 = 1 * 4

Also:

10 * 1 / 2 = 1 + 4

Tags: 10.12.14
Oct 11 '14

10/11/14

10 = 11 - 1^4

Also:

10 / (1 + 1) = 1 + 4

Also:

1 + 0 + 1 + 1 + 1 = 4

Tags: 10.11.14