Did you know Sage 100 Contractor has a built-in calculator that can be used in any value field to perform a mathematical function? Simply enter the first value, then a +, -, * or / function and the next value. Hit enter to put the results in that field. The calculator can also be accessed by using the F3 function key. Need accountability? Use Excel to enter a list of values and then use AutoSum to get their totals. This way you can double-check your work. It’s time to ditch that large adding machine to free up valuable desk space!