a lecture - a formal talk given to a group of people, especially at university, geometry - the study of lines, angles and surfaces in mathematics, a sequence - a series of related numbers in a particular order, common - found in many places, the Middle Ages - a period in European history, approximately between the years 500 and 1500, a mathematician - a person who studies or teaches mathematics,

Understanding an Explanation

Leaderboard

Visual style

Options

Switch template

Continue editing: ?