How to Use Your iPhone's Scientific Calculator

Your iPhone’s calculator is anything but basic. We’ll show you how to use your iPhone calculator to unlock its scientific calculator functions.

* This post is part of iPhone Life's Tip of the Day newsletter. . *

I use advanced functions on my calculator fairly regularly, so it’s nice that I have a calculator on my iPhone. This way I can use my iPhone scientific calculator instead of downloading a scientific calculator app! Here’s how to use your iPhone calculator as a scientific calculator.

We'll show you how to find your iPhone scientific calculator, plus a few iPhone calculator tricks. 

  1. Tap on the iPhone calculator icon to open the Calculator app.

    Open the Calculator app by tapping the calculator icon
  2. Turn your iPhone to landscape mode.

    Rotate the phone to landscape mode to switch to iPhone scientific calculator
  3. The scientific calculator will appear once the screen is rotated.

Now you can use your iPhone for scientific calculator functions like exponents, logarithms, square roots, and calculations involving Pi!

Related: iPhone or iPad Calculator App Missing from Control Center? Here’s How to Get It Back

If you are using your iPhone's scientific calculator as your main calculator instead of a backup and you use advanced functions frequently, you may want to look at the functionality of other calculator apps to see if they suit your needs better. Otherwise, most users find these functions more than adequate.

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Author Details

Sarah Kingsbury's picture

Author Details

Sarah Kingsbury

Sarah Kingsbury is the Senior Web Editor and SEO Content Manager at iPhone Life. She manages the web editorial team and oversees all web and newsletter content. A long-time Apple enthusiast, Sarah can't live without her iPhone, Macbook Air, HomePod, Apple TV, or Apple Watch. As the original contributor to the iPhone Life Tip of the Day Newsletter, she wrote hundreds of iPhone how-tos to help users master their iPhones. It's safe to say that she has written or edited every tip published on! In her 20 years of editing and writing, Sarah has done everything from working as the associate editor of the Iowa Source magazine to developing recipes and reviewing cookbooks for a vegetarian cooking website. But teaching people how to use their Apple devices is her favorite job so far.