Sum

  1. In mathematics, a sum is the total amount obtained from adding numbers.
  2. Chat slang for some.
  3. In Microsoft Excel, sum is a formula syntax for adding, subtracting, or getting the total of cells. Below are some examples of how the sum formula may be used.
  • =sum(a1:a10), adds all cells between a1 and a10.
  • =sum(a1+a10), adds cell a1 and a10.
  • =sum(a1-a10), subtracts a1 from a10.

Also see: Average