Answer:
you can just search it on bing
Explanation:
You can sum up entire columns or rows in Microsoft Excel using the AutoSum feature.
The AutoSum tool automatically selects a column or row of numbers, but you can select any set of numbers by clicking and dragging with the mouse.
You can also manually sum a series of numbers in Excel by typing in a simple SUM formula.
You can view the details of your calculation by clicking the sum cell and looking at the formula bar at the top of the screen.
