1. Excel®
1.6. Formulas Bar
The Formulas tab is where you will find formulas and functions to assist you with your calculations.
The option called AutoSum is a shortcut to easily add a column or row of numbers.
On the spreadsheet, start with the last number in the list and click on it to highlight it.
Continue to hold down your mouse button and drag the cursor up or across to highlight all the numbers you want to include in the calculation.
Once they are highlighted, click on AutoSum and the total will automatically appear in the next cell.