# Calculator

The calculator enables you to perform basic calculations on the Working Total quantity. You can also use the calculator to create and save formulas that enable you to convert the units of values in the calculator. For example, you can use formulas to convert linear feet (LF) to meters (m), or linear feet (LF) to square feet (SF). See Formulas for details on creating formulas.

To open a job in the Manage Estimates screen, click OK.

in the All Tasks pane. Then select the job you want to open, and click