In SX Microcontrollers, SX/B Compiler and SX-Key Tool, electronic wrote: hi Kramer You could try the two dimensional lookup table method or expand your expression as a series using the series for e to the power x given below: e^x = 1 + x/1 + (x^2)/2! + ... + (x^n)/n! + .... then truncate the series to give your required accuracy. Regards electronic ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=162343#m162356 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)