The Calculate option on the Input Tools context ribbon will recalculate your worksheet’s totals. (The Input Tools context ribbon will appear whenever you open an Input Definition for performing data input.)
The Calculate task to resummarize data will also be run whenever Line Item Import is performed.
You can elect to have this function performed automatically for the input definition by selecting the “Automatic Input Calculations” in Prospero Options.
For additional information on the Calculation Task refer to the section in Budget Setup – Calculation Task.