Quote:
Originally Posted by The_Cat
Can add much to the discussion but:
Talking about pi , most of us know about the school boy approximation of 22/7 (very poor accuracy) but what about this for accuracy pi ~ 355/113 . This is easy to remember:
take the first 3 odd numbers (1, 3 and 5) then double up (113355) then put the long division sign half way (113 | 355)
Jerry.
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Quite good--accurate to better than 0.0000003