个人计算器。有人使用Windows提供的计算器时可能会发现，当有多笔数累计时，算到后面确不知道前面，容易出错还不知道。这个计算器完全避免这个问题，输入内容可以自动保存，支持带多重括号的运算式子，还有计算过程展开显示，目前自己使用感觉挺爽。本工程使用了一个皮肤，环境是BCB6。-Personal calculator. Provided by someone using the Windows calculator may be found, when the amounts have accumulated, the operator did not know back in front of error-prone do not know. This calculator completely avoid this problem, enter the content can be automatically saved to support brackets with multiple computing formula, but also to start the calculation process has shown that the present feeling pretty cool for their own use. The project uses a skin, the environment is BCB6.