摘要:[文章參考]數學公式解析器
math expression parser
http://www.codesoso.com/code/math_expression_parser.aspx
http://search.codesoso.com/Search?q=%E5%85%AC%E5%BC%8F%E8%A7%A3%E6%9E%90%E5%99%A8
An extensible math expression parser with plug-ins
http://www.codeproject.com/KB/recipes/MathieuMathParser.aspx
