Help again… I just want to assign a specific row to a virtual column…how can I do this?very elementary but i am also very new here…thanks alot! DETAILS: I have a column with random numbers, and the summation of that is at the end of the column (A1000...

can I have a function or settings in my application where I can delete all the data inputed all at once instead of going to my google sheet ? I want to delete all the the data in my attendance application after every event…thank you