Excel Function : COUNTIF
Counts the number of cells within a range that meet the given criteria
Microsoft Excel Reference Page
Syntax and Description of the COUNTIF Excel Function
COUNTIF(range, criterion) The COUNTIF function in Excel counts the number of cells in a range that meet a specified criterion. range - The range of cells to be evaluated. criterion - The criterion in the form of a number, expression, or text that defines which cells will be counted.
About COUNTIF Excel Function
COUNTIF(range, criteria) The COUNTIF function returns the number of cells in a range that meet a given criteria.