Standard Mathematical Operators
+ Addition TotalUnits: [UnitsUnsold]+[UnitsSold]
- Subtraction UnitsUnsold: [UnitsOrdered]-[UnitsSold]
* Multiplication UnitIncome: [UnitPrice]*[UnitsSold]
/ Division MonthlyRent: [Annual Rent]/[12]
^ Exponentiation ActualSales: [Abbrsales^10]