Calculate ¹ Version 1.5F 9th February 1995
Written by M. Mamo copyright 1995
e-mail address: msm13@cus.cam.ac.uk
All comments and suggestions will be gratefully received.

Thanks to:   J. Riley for speed improvements.
             Doug Miles for icon & compiling as a FAT application.

This program calculates ¹ using:
9/4 = 6 tan-1(1/8) + 2 tan-1(1/57) + tan-1(1/239)
tan-1(x) = x - x^3/3 + x^5/5 - x^7/7 + ...

The source code is in ANSI C compiled using Metrowerks Codewarrior Gold.