| Name | Desciption | Data Type |
|---|---|---|
| ApproxEqPerc | Tests whether Value 2 is within a specified percentage variance of Value 1. Only two return values; 1 = True, 0 = False | Integer |
| Comp1Fig | First number value | Double |
| Comp2Fig | Second number value | Double |
| Permvar | Permitted percentage variance | Double |

No separate error values. Any error (e.g. posting a non-numeric value in one of the function's arguments) will generate a return value of 0 or False.