Definition: CountIf is a GeoGebra LIST command.
CountIf[ <Condition>, <List> ]
See also list commands: Length yields the number of elements in the list.
CountIf - USE
CountIf[Condition, List]: Counts the number of elements in the list satisfying the condition.
Examples:
  • CountIf[x < 3, {1, 2, 3, 4, 5}] gives you the number 2.
  • CountIf[x<3, A1:A10] where A1:A10 is a range of cells in the spreadsheet, counts all cells whose values are less than 3.

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Page last modified on December 06, 2009, at 11:26 AM