Euler's Number Mathematical Poster Concept

The number e is a famous irrational number and is one of the most important numbers in mathematics. The first few digits are: 2.7182818284590452353602874713527 (and more ...) It is often called Euler's number after Leonhard Euler (pronounced "Oiler"). 

This poster is printed on waterproof tear resistant material, using high definition UV inks, for indoor or outdoor use. It doesn't come with a frame.