This function returns the count of all non empty arguments passed. You can count using a range: COUNTA(A1: B5) or using a list of values like COUNTA(12; 5; 12.5).
De funksje COUNTA () telt it oantal net- lege arguminten. Jo kinne telle yn in berik: COUNTA( A1: B5) of yn in list mei wearden, lykas COUNTA( 12; 5; 12, 5).