## ฯ๐๐๐ ๐นโผ๐ฅง Pi symbol sign

**Pi symbol** ฯ is important for calculation of circular and spherical figures and stands for value of 3.141592653589793238.. . Those are only the first numbers of pi, there's a symbol for pi precisely because you can't precisely specify pi with any decimal number, only to a certain degree of accuracy. **Pi sign** is one of the most popular mathematic constants and means a ratio of a circle perimeter to its diameter. **Copy and paste pi symbol** or look below to find out how to **type pi symbol on keyboard**.

Pi symbol and Pie sign | π | ๐ | ➕ | ➖ | Σ | ∫ | ๐ฅง |
---|---|---|---|---|---|---|---|

๐ | ๐ | ๐น | โผ | ✖ | ➗ | ½ |

### Pi symbol meaning

**Pi symbol sign** π, pronounced in English as **pie** sign is a mathematical constant that is the ratio of a circle's circumference to its diameter. It has been represented by the Greek letter "π" since the mid-18th century. **Pi** π is an **irrational number**, which means that it cannot be expressed exactly as a ratio of two integers; consequently, its decimal representation never ends and never repeats. Moreover, π is a transcendental number โ a number that is not the root of any nonzero polynomial having rational coefficients.

### How to input pi symbol

Choose your system and find out.

Windows#### From Keyboard

##### Alt Codes

Shortcut technique that works on Desktops and most Laptops running MS Windows. You press Alt and, while holding it, type a code on Num Pad while it's turned on. Please, read a guide if you're running a laptop. You can type many frequently used symbols with this method.

Alt code | Symbol |
---|---|

0227 | π |

##### Shift States

Configure your keyboard layout in Windows so that you can type all additional symbols you want as easy as any other text. Takes about 5-10 minutes to set things up, but you'll be typing like a boss. You can assign pi symbol π and any other text characters to your keyboard using this technique.

#### Character Map

CharMap allows you to view and use all characters and symbols available in all fonts (some examples of fonts are "Arial", "Times New Roman", "Webdings") installed on your computer. You can input pi symbol using it.

#### Pi Emoji on iOS (iPhone, iPad and iPod touch)

There is no **emoji for pi** at the moment. It's a text symbol. You'll have to copy paste pi symbol ฯ if you're on iOS or iPad OS. If you're using it often you can add a shortcut in *Settings โ General โ Keyboard โ Text Replacement*.

#### Keyboard viewer

You can make frequently used technical non-fancy symbols like "√ ∑ π ∞ ∆ ™ © æ £ ¢" and åccénted letters on Mac using [Option] key. I've compiled a list of shortcuts in my article and explained how to open keyboard viewer. You can also use your Keyboard Viewer as an alternative to my list.

[Option] + [p] produces π pi sign.

#### Character Palette

#### From Keyboard

Unicode hex code | Symbol | Compose key sequence | Symbol |
---|---|---|---|

03C0 | π | pi | π |

There actually are 3 different ways to type symbols on Linux with a keyboard. And all of them can produce pi text symbol.

#### Character map

Character map allows you to view and use all characters and symbols available in all fonts (some examples of fonts are "Arial", "Times New Roman", "Webdings") installed on your computer. It can also help you lookup Unicode codes for entering symbols with keyboard.

Following is a list of HTML and JavaScript entities for pi symbol. In Javascript you should write like a = "this \u2669 symbol" if you want to include a special symbol in a string.

HTML entity | JS entity | Symbol |
---|---|---|

π | \u03c0 | π |