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Tags: mathematical operations floating point operations

# Description

The FSUB function performs floating-point subtraction on two numeric values. It takes the general form:

FSUB(expression1, expression2)

Where both expression1 and expression 2 must evaluate to non-null numeric values. If either of the arguments evaluates to null then a run time "non-numeric" error will occur.

An example of use is as:

CRT FSUB(2.54,5.703358)

To display: -3.163358

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