I am using format-value-time to have cells where I input minutes/seconds, like 13:45 for 13 minutes & 45 seconds. If I have several of these cells, how can I add them all up?Example:Cell1:00.13.45Cell2:00.05.12Cell3:Should display cell1 + cell2 in the format 00.18.57
Google Spreadsheets: Counting minutes/seconds
google spreadsheets