Definition :

the sum Function adds all numbers in a range of selected cells


Function Construction :

in the formula bar write "=sum(number 1,number 2, ...............)"




How to apply

Method 1 :


* use colon ":" to specify a range of cells you want to add


 Method 2 :

* use comma "," to select the cells you want to add
* Hold CTRL while Selecting the cells

 Method 3 :

* inside the parentheses"( )" add your values by writing the numbers (without selecting any cells)
* you can use +,-,* or / inside the parentheses