The Arithmetic Operator
The arithmetic operator component includes the four basic arithmetic operator signs and two hash symbols:
+ (plus)
- (minus)
* (multiply by)
/ (divide by)
P (hash-plus or -add)
M (hash-minus or -subtract)
A hash total allows you to validate the accuracy of certain fields. For example, you can sum the numeric equivalent of a customer number field as a check on operator input.
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