How to Calculating Numbers in Microsoft Excel

Microsoft Excel formula - the formula SUM (abbreviation of summarize) is the formula that is used to add two or more of data values in a simple way.

Example of calculation with the formula SUM
Write the formula, namely:

as an example we will calculating units of cars sold by the formula SUM. As a first step, we will fill the cell E4 which is the sum of the number of cell cars sold in the first place with reference to the data of B4 and D4.
Then the formula becomes: 

 =SUM(B4;D4)

•  Write the formula in column E4
  
• Make sure your cursor on the SUM formula, not on the cell E4, Press Enter to see the sum of the first order.
• To add the next sequence, just click the cell E4, click the bottom right corner of the cell resistant drag (drag and drop) to the column E15. Please take a look on the picture bellow

Thus tutorial count the number of student scores using a mathematical formula SUM. Also read how to make writing unit in all columns quickly << by clicking that link
Good luck