RAD Studio VCL Reference
FMTBcd.BcdSubtract Function

Subtracts one BCD value from another.

procedure BcdSubtract(const bcdIn1: TBcd; const bcdIn2: TBcd; var bcdOut: TBcd);
BcdSubtract(const TBcd bcdIn1, const TBcd bcdIn2, TBcd bcdOut);

BcdSubtract subtracts bcdIn2 from bcdIn1 and returns the result as bcdOut. 

The return value is given a precision and number of decimal places that is sufficient to accurately represent the result of the subtraction. You can convert this to a specific precision and number of decimal places using the NormalizeBcd procedure. 


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