The COMBINA function returns a number of combinations (with repetitions) for a given number of items.
Formula:
=COMBINA(number, number_chosen)
Explanations:
The number is required, which is an inter that greater than or equal to Number_chosen.
The Number_chosen is required, which is the number that greater than or equal to 0.
Cautions:
The Combina equation is:
where Number = N and Number_chosen = M.
