To calculate the sum of squares using Microsoft Excel, you need to input a specific formula into the formula bar of the cell you're working with.

The formula is SUMIFS (sum_range, criteria_range1, criteria1 [criteria_range2, criteria2,..]. How to use the Excel SUMIF function In this table, we want to calculate the number of mangoes sold.

SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

Calculate sporadic totals in Excel easily using this technique. Having intermittent cells and blank cells in Excel makes calculating the sum of intermittent cells tedious.