Whether or not the poster realized it, they had just opened the portal to a math conundrum that had been around for years. Enter permutations.. In math, a permutation is the number of ways a set ...

In math, a permutation is the number of ways a set can be arranged. For example, there are two permutations for a set consisting of the numbers 2 and 7 (the permutations are 2,7 and 7,2).

A poster advertising an event for Brigham Young University’s Women in Math club has sparked mocking irritation online for its seemingly inconsistent visual featuring four men.

Women in Math club advisor Martha Kilpack said the club saw the post online, and received messages and emails. They took the posters down, she said, because of the offense people took.

BYU's mathematics department and female math students are responding to ridicule of a club poster that went viral. The poster features four photos of male math department faculty followed by ...