March 14, or March 14, is a grand festival for every math enthusiast. Today, you must be wondering how to enter the π (pi) symbol. It is one of the easiest symbols in mathematics, but it is not on any standard English keyboard—even without its emojis. So, how do you show it?

The easiest way to do it on a Mac is as follows:

• Press and hold the Option key (next to the Command key).
• Enter the letter "P".
• Release/repeat.

That's it. Regardless of which application or font you are using, the π symbol appears in the position of the letter "P" when you hold down the Option key.

It's a little bit more complicated on iPhone and iPad. First, you need to add a new keyboard:

• Go to the Settings app.
• Click Universal and Keyboard .
• Click on the keyboard , add a new keyboard , and select Greek .

Then, when you want to enter the π symbol, click on the globe icon in the lower left corner of the keyboard until you see the Greek keyboard. Click the π symbol, which is the Greek letter "P" (top row, second from the right). Then click the globe icon again to return to the English keyboard.

Here are some other interesting Pi knowledge that can be used to impress your friends:

• The π symbol is represented by the sixteenth letter in the Greek alphabet, representing the lowercase letter "P".
• Welsh mathematician William Jones was the first to use the symbol to represent pi.
• Physicist Larry Shaw begins celebrating March 14 as π Day at the San Francisco Discovery Museum of Science.
• The longest expansion of Pi has exceeded 62 trillion decimal places.
• In ancient Egypt, it was believed that the pyramid of Giza was built on the principle of pi.
• There is a complete writing style based on Pi mnemonic constraints called Pilish.

If you want to learn how to enter some other uncommon characters, check out our article on how to enter ?, €, #, @, ? and more special characters on your Mac.

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