A method of dispensing pills includes (a) inputting a request and (b) loading a cassette having a first pill type into position then (c) positioning a target container beneath that cassette. (d) The cassette is energized to drop one pill. (f) If a pill dropped and there are still more of the current pill to drop, the method continues at step d. (g) If a pill dropped and the number of the current pill has satisfied the request, the method ends. (h) If a pill dropped and a number of the current pill already dispensed type has not satisfied the request, the method continues with step d. (i) If no pill dropped, an operator is informed. (k) If the operator indicates the cassette is empty and another cassette has a same pill, the other cassette is moved to the target location and the method continues from step d.