Delphi: Delphi formula parser, write their own analytical formulas procedures, interested friends download source research yourself. You can calculate the upper brackets in the value equation, too complex formulas have not tried, perhaps you can.

Code\delphi\pudn\upandload\DATA\Delphi_340012\Delphi_340012\rd.txt
....\......\....\.........\....\.............\.............\公式解析\Project1.cfg
....\......\....\.........\....\.............\.............\........\Unit1.dfm
....\......\....\.........\....\.............\.............\........\Project1.dof
....\......\....\.........\....\.............\.............\........\Project1.dpr
....\......\....\.........\....\.............\.............\........\Project1.identcache
....\......\....\.........\....\.............\.............\........\expr.pas
....\......\....\.........\....\.............\.............\........\EXPRLEX.PAS
....\......\....\.........\....\.............\.............\........\LEXLIB.PAS
....\......\....\.........\....\.............\.............\........\Unit1.pas
....\......\....\.........\....\.............\.............\........\YACCLIB.PAS
....\......\....\.........\....\.............\.............\........\Project1.res
....\......\....\.........\....\.............\.............\公式解析

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