ArtFormula package contains two nonvisual Delphi component for symbolic expression parsing and evaluation. Provides runtime scr ipting engine for automating your programs.

公式解析器,看他演示代码,STRINGGRID还有点象Excel的感觉了-ArtFormula v1.5 for Delphi and Lazarus -------------------------------------------------------------------------------- ArtFormula package contains two nonvisual Delphi component for symbolic express

Delphi随机选号程序源码下载，很有意思的随机数选号程序，选号过程中，右侧的符号动画显示，点击左侧下边的“结束”按钮，即可显示出随机选中的号码。在此基础上扩展一下，可实现一个完善的Delphi选号程序。代码中运用了for循环的原因来实现。-Delphi random selection procedure source code download, a random number meaning selection procedure, selection process, symbolic

提供多种数据计算方式，进行复杂的三角函数计算。-DiffExpress provides an easy way to use symbolic differentiation of mathematical expressions in your applications. Supports 5 operators, parenthesis, 18 mathematical functions and user-defined variables