Spreadsheet
Type values. Cells starting with = evaluate. Refs like A1, ranges A1:A5. Try =SUM(A1:A5), =AVG(B1:B10).
Try: "Fill A1:A5 with 1, 2, 3, 4, 5 then put =SUM(A1:A5) in A6"
Try: "Build me a sales report - months in column A, revenue in B, totals in B13"
Try: "Clear the sheet and start fresh with a 3-month budget"