# Plus

**Plus** may refer to any of the following:

1. When referring to a keyboard or symbol, the **plus** ( + ) is found on the same key as the equal sign. As pictured here, it is depicted as a horizontal and vertical line that cross exactly at the center.

## Where is the plus key on the keyboard?

Below is an overview of a computer keyboard with the plus key highlighted in blue on the main keyboard and numeric keypad.

## How to create the + symbol

### Creating the + symbol on a U.S. keyboard

To create a plus using a U.S. keyboard, hold down the Shift key and press the plus key. It is on the same key as the equals sign ( = ), next to the backspace key.

The plus is easier to use on the numeric keypad with math formulas.

### Creating the + symbol on a smartphone or tablet

To create a plus on a smartphone or tablet, open the OSK (on-screen keyboard). Tap the numbers (123) button, then (#+=) or symbols (sym) key. Then tap the + symbol.

## What is a plus used for on a computer?

The plus key is most often used in programming and mathematics to add two or more numbers or as a programming operator.

### Plus in a math formula

In a math formula a plus is used to represent an addition. For example, in the below formula you can see that 2 <plus> 1 is equal to 3.

2 + 1 = 3

### A plus in a URL

In a URL the + is a common method used to represent a space, because spaces are not allowed in URLs.

### Plus in a shortcut key

When describing a shortcut key, the plus symbol is used to indicate two or more keys pressed at the same time. For example, *Ctrl+A* indicates pressing the Ctrl key and the "a" key at the same time to select all text. The plus may also be used as a shortcut. For example, in your browser, press Ctrl and the plus key at the same time to zoom in on text or an image.

### A plus in a regular expression

With a regular expression, a plus is used to match one or more times. For example, in the below regular expression, all occurrences of the letter "z" in the $example variable would be replaced with a single letter "a." In other words, the "z" would become "a," "zz" would become "a," "zzz" would become "a," etc.

$example =~ /z+/a/g;

### Increment a variable in programming

Two pluses next to each other in programming is a shorthand method of incrementing a variables value. For example, if you had a variable called $count that was equal to "10" and you wrote $count++; in many different programming languages it would increment by one and become "11."

## What is the other symbol on the plus key?

On U.S. keyboards, the plus key is shared with the equals key, which may be shown next to or above the equals symbol. To create a plus, hold down the Shift key while also pressing the backslash key.

2. **Plus** is also an abbreviated version of **Google+**.