a  b  a ◆ b  1  1  1  3  1  5  0  2  4  4  0  4  2  3  8 

The objective is to understand how this ◆ operation works. Examine the table to the left and determine how 'a' and 'b' are used to calculate a ◆ b. If the table is insufficient for determining how this operation works, use the bottom leftside of this page. Once you understand how the operation works, use the bottom rightside of this page.
Keep calculating until you understand how this ◆ operation works.
