# Math Definitions - Letter E

### Chapters

### e (Euler's Number)-

# Definition of e (Euler's Number)-

\(e = 2.7182818284590452353602874713527\dots\) is a very important **irrational number**

An irrational number is a number that cannot be written as a fraction, or a repeating or terminal decimal. The decimal digits of \(e\) go on forever and ever, and do not follow any pattern.

\(e\) is sometimes called Euler's number after the Swiss mathematician Leonhard Euler.

### Description

The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.

### Audience

Year 1 to Year 12 students

### Learning Objectives

Learn common math terms starting with letter E

Author: Subject Coach

Added on: 6th Feb 2018

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