Geek wrist watch

Geek wrist watch

Show off your mathematical prowess with a watch that features the equivalent notation of each number.

Cheat Sheet (included with each watch):

  1. Legendre’s constant is a mathematical constant occurring in a formula conjectured by Adrien-Marie Legendre to capture the asymptotic behavior of the prime-counting function. Its value is now known to be exactly 1.
  2. A joke in the math world: An infinite number of mathematicians walk into a bar. The first one orders a beer. The second orders half a beer. The third, a quarter of a beer. The bartender says, “You’re all idiots,” and pours two beers.
  3. A unicode character XML “numeric character reference.”
  4. Modular arithmetic, also known as clock arithmetic, is a system of arithmetic for integers, where numbers “wrap around” after they reach a certain value. The modular multiplicative inverse of 2 (mod 7) is the integer /a/ such that 2*/a/ is congruent to 1 modulo 7.
  5. The Golden Mean…reworked a little.
  6. Three factorial (3*2*1=6)
  7. A repeating decimal that is proven to be exactly equal to 7 with Cauchy’s Convergence Test.
  8. Graphical representation of binary code.
  9. An example of a base-4 number, which uses the digits 0, 1, 2 and 3 to represent any real number.
  10. A Binomial Coefficient, also known as the choose function. 5 choose 2 is equal to 5! divided by (2!*(5-2)!)
  11. A hexadecimal, or base-16, number.
  12. A radical

also on iainclaridge.net

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