It’s also been 15 years since I took a math class, so my opinion is worth what you paid for it.) Bonus! Click here for a picture of a stained-glass Venn diagram in Cambridge, England. Google ...

1. Animals Playing Music This Venn diagram explains how such diagrams work with no words at all. It's a t-shirt from Tenso Graphics called Math, also available as a poster.

2. Two Kinds A variation on the humor Venn diagram concerns sets that cannot possibly overlap. Phil Plait illustrated this with an old math joke adjusted to the graphics world.

After a user inputs how they want the visualization to look—you can select from a Venn diagram, a 3D Venn diagram, trees, vector points illustrated by arrows, points shown as dots, or continuous ...