1NAME 2 pi - evaluate pi to specified accuracy 3 4SYNOPSIS 5 pi([eps]) 6 7TYPES 8 eps nonzero real, defaults to epsilon() 9 10 return real 11 12DESCRIPTION 13 Returns a multiple of eps differing from the true value of pi by 14 less than 0.75 eps, and in nearly all cases by less than 0.5 eps. 15 16EXAMPLE 17 ; print pi(1e-5), pi(1e-10), pi(1e-15), pi(1e-20) 18 3.14159 3.1415926536 3.141592653589793 3.14159265358979323846 19 20LIMITS 21 eps > 0 22 23LINK LIBRARY 24 NUMBER *qpi(NUMBER *eps) 25 26SEE ALSO 27 atan2 28 29## Copyright (C) 1999-2006 Landon Curt Noll 30## 31## Calc is open software; you can redistribute it and/or modify it under 32## the terms of the version 2.1 of the GNU Lesser General Public License 33## as published by the Free Software Foundation. 34## 35## Calc is distributed in the hope that it will be useful, but WITHOUT 36## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 37## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 38## Public License for more details. 39## 40## A copy of version 2.1 of the GNU Lesser General Public License is 41## distributed with calc under the filename COPYING-LGPL. You should have 42## received a copy with calc; if not, write to Free Software Foundation, Inc. 43## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 44## 45## Under source code control: 1995/10/25 04:03:46 46## File existed as early as: 1995 47## 48## chongo <was here> /\oo/\ http://www.isthe.com/chongo/ 49## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/ 50