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 ...

Leah and Kelly are sisters who do not have any interests in common. Leah likes to read, draw and play netball whereas Kelly prefers to listen to music, dance and skate. If we were to draw this as a ...

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 ...

The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...