字符串转化为计算公式 ....................\Project1.exe ....................\Project2.cfg ....................\Project2.dof ....................\Project2.dpr ....................\Project2.exe ....................\Project2.res ....................\Unit1.dcu ....................\Unit1.ddp ....................\Unit1.dfm ....................\Unit1.pas ....................\Unit1.~ddp ....................\Unit1.~dfm ....................\Unit1.~pas