Number Build JavaScript

Number Builder

Select numbers to include in the total by clicking on the box to its left. Any number from 0 to 255 can be made by the correct selection of numbers.

Food for thought

Why is this?
Is there a fast way of deciding which are the appropriate numbers to pick?
Can there be more than one way of building a number?

Example JavaScript for Math 119
Copyright © 1997 Burton Rosenberg. All rights reserved.