Language of Presentation: Arabic, English, French, Other, Spanish
Media Format: Streaming Video
School Level: College/University, Elementary, Middle/High School
Institution/Provider: TED Conferences, LLC
Author: Terry Moore
Collection: TED Talks
Condition of Use: All Rights Reserved Description:
Terry Moore is explaining the origin of the unknown “x” used in math. It originally came from the Arabic word “alshai” meaning something. Later on it was translated by the Spanish into X borrowed from the Greek alphabet. >