If you need a quick way to create simple diagrams, Gliffy is it. Even if your job has nothing to do with graphic design, chances are you still have to produce the occasional diagram. Whether you’re ...

An education consultant planted a seed in my mind several years ago about the usefulness of the triple Venn diagram. She showed the school staff one similar to the one on the left and argued that ...

Venn diagrams are used to sort sets of data. The probability of an event not happening uses the complement of the region on the Venn diagram. Count the number of elements in each region. Redraw the ...

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known for less ...

Monday's Google Doodle reminds us that it's the 180th anniversary of the birth of John Venn, the English logician whose simple drawing of overlapping circles became a trademark tool of the social ...

A new rose has blossomed in the garden of mathematics: a flowery Venn diagram for 11 sets of objects. Venn diagrams use overlapping circles to show all possible relationships between sets. But ...