The pi symbol isn't readily available on your iPhone's default keyboard, but there are tricks you can do to change that and have it available whenever you need.

Math Notes is a feature that allows you to crunch numbers in certain apps on your iPhone, iPad, and Mac. You can use it for study, for work, or for personal use anywhere you need to do anything ...

Many students mix up greater than and less than symbols, especially under pressure. This student-friendly guide offers clear ...

Unlock the full potential of your iPad calculator app with our beginner's guide on how to use math notes on iPad. See how it can automatically calculate math equations and show results as you write.

Math popularizer Rob Eastaway thinks his "zequals" sign will help people get better at back-of-the-envelope calculations.

You may not know it, but there are a slew of symbols and characters that you can type with keyboard shortcuts. Here's how to type them in Windows 10 or MacOS.

Pi Day is the annual celebration of the mathematical constant, Pi. Here's what to know about its date, and why we celebrate it by eating pie.

Using symbols When comparing numbers, you can use words such as 'greater than' and 'less than'. However, it is sometimes easier to use a symbol than writing words.