Here is Lemon tutorial. Shows how to make a calculator with a feature of use Parents "()" in math expression. http://www.cesarodas.com/2007/03/creating-basic-calculator-with-lemon.html.
The author disclaims the copyright of the calculator. -- Cesar Rodas http://www.sf.net/projects/pagerank (The PageRank made easy...) http://www.sf.net/projects/fastfs ( The Fast File System) Mobile Phone: 595 961 974165 Phone: 595 21 645590 [EMAIL PROTECTED] [EMAIL PROTECTED]
