a number system having a base 8: often used in computing, one octal digit being equivalent to a group of three bits
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Where Did The Word”Pi” Come From?What is Pi Day? Pi Day is the March 14th holiday commemorating the mathematical constant π (pi), written numerically as 3.141592+, and pronounced “pie.” And yes: lots of people mark the occasion by eating pie because of course they do. Where is the word pi from? Pi is the Latin name of the sixteenth Greek letter, π. (Mathematic notation borrows from a multitude of alphabets and typefaces) The first recorded use …
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012