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Categories / Delphi / Algorithm Math

 

How to calculate a simple checksum

Title: How to calculate a simple checksum function CalcStrChecksum(s: string; zerobased: Boolean): Longint; var i: integer; L: integer; begin Result := 0; l := Length(s); if l 0 then begin for i := 1 to l do if zerobased then Inc(Result, Ord(s[i]) - 65) else Inc(Result, Ord(s[i])); end; end;