What Plus Calculator

Welcome to the What Plus Calculator. The What Plus Calculator calculates "What" in the question "What plus x equals y?"

Please submit your What Plus problem in the boxes below and press calculate.

Not sure what this calculator can do? Here are some examples of questions this calculator can answer:

What plus 3 equals 2?

What plus 4 equals 17?

What plus 7 equals 1?

What plus 4 equals 2?