# Integers in real life

**Introduction to Integers**

An integer is defined as a number with no fractional part. In other words, we can count forward and backward using integers. Going from one integer to the next is a discrete jump of one unit, with no stopping part of the way there. Integers are the numbers we get from rounding fractional numbers up or down to the nearest whole.

**Types of Integers**

Integers are of two types: **positive** and **negative**. On a number line or coordinate graph, positive integers are to the right of or above the zero point and negative integers are to the left or below.

**Practical Uses of Integers**

Integers are used in computer programming and coding, where things must be on or off, that is, 1 or 0. We call this “binary” because everything a computer does can be turned into a sequence of ones and zeroes.

Integers are important numbers in…

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