Definition: Quadrivium is a term used in ancient Greek mathematics that refers to four fundamental mathematical concepts: geometry, arithmetic, algebra, and number theory. It was developed by Pythagoras (c. 570-495 BC) and his followers in the Hellenistic world. The concept of quadrivium was not widely accepted in medieval Europe until the Renaissance, when it became an important part of mathematical education. Quadrivium is characterized by its emphasis on geometric figures