menace
Cleo, the Mysterious Math Menace
In 2013 a new user named Cleo took an online math forum by storm with unproved answers. Today she’s an urban legend. But who was she? Learn more about your ad c…
Podcasts of the Year: Cleo, the Mysterious Math Menace
In 2013 a new user named Cleo took an online math forum by storm with unproved answers. Today she’s an urban legend. But who was she? 2023 editor's pick. Learn …






