It is a truth universally acknowledged … that ε (pronounced ‘epsilon’) is always a very small number, and usually comes with a δ (pronounced ‘delta’).

— Marianne Freiberger and Rachel Thomas, Numericon (2015)

Source: https://books.google.co.uk/books?id=dluwoAEACAAJ

By Marianne Freiberger and Rachel Thomas of Plus Magazine.

Topics: mathematics