Started Excel. Entered 1 2 3 in column A. Selected the cell…

Twetch · June 26, 2021

Started Excel. Entered 1 2 3 in column A. Selected the cells and then click+drag down to 999. Excel is smart and fills in the values for the cells in a pattern than ends with 999. In cell A1000 I entered the the formula =SUM(A1:A999) and bingo.