Thread: Calculator Button Problem

On a normal scientific calculator that only has the following buttons:
Plus key
Minus Key
0-9 Number Keys
Memory Button
Reciprocal Key

Can you derive a formula for finding the product of any integer A and B?

Thanks!

That's NOT a "normal scientific calculator"! To divide A by B, multiply A times 1/B. With no multiplication button, "multiply" A times 1/B by adding 1/B to itself A times.