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How to Put A Calculator on Your Iphone Keyboard

Reviewed by Calculator Editorial Team

Adding a calculator to your iPhone keyboard can make quick calculations faster and more convenient. This guide covers the built-in options and third-party solutions to put a calculator right at your fingertips.

Using the Built-in Calculator

The iPhone comes with a built-in calculator app that you can access in several ways:

Method 1: From the Home Screen

  1. Tap and hold any empty space on your home screen until the apps start to jiggle.
  2. Find the Calculator app in your list of apps.
  3. Drag it to your home screen for quick access.

Method 2: Using Siri

You can use Siri to perform calculations without opening the calculator app:

  1. Hold down the side button or say "Hey Siri".
  2. Ask Siri to calculate something, for example: "What is 25 times 4?"
  3. Siri will read the answer aloud and show it on the screen.

Method 3: Using QuickType

iOS includes a basic calculator in the QuickType keyboard:

  1. Open any app with a text field (like Messages or Notes).
  2. Tap the globe icon to switch keyboards.
  3. Select "Numbers and Symbols" from the keyboard options.
  4. Tap the "=" button to open the calculator.

Note: The QuickType calculator is basic and doesn't support all calculator functions. For advanced calculations, use the dedicated Calculator app.

Third-Party Calculator Apps

If you need more advanced features, consider installing a third-party calculator app:

Popular Calculator Apps

  • Calculator+ - Scientific and graphing calculator with customizable themes
  • Calculator Pro - Advanced scientific calculator with unit conversions
  • Calculator HD - Full-featured calculator with history and memory functions

How to Install a Third-Party App

  1. Open the App Store on your iPhone.
  2. Search for the calculator app you want to install.
  3. Tap the "GET" button to download and install the app.
  4. Once installed, you can pin it to your home screen for quick access.

Tip: Many calculator apps offer free versions with basic features and paid versions with advanced functions. Consider your specific calculation needs when choosing an app.

Keyboard Shortcuts

If you frequently perform calculations, you can use these keyboard shortcuts:

Basic Math Operations

  • Type "2+2" and press Enter to see the result
  • Use parentheses for complex calculations: "(2+3)*4"
  • For percentages: "100*0.15" (calculates 15% of 100)

Scientific Notation

Use "e" for scientific notation: "6.022e23" (Avogadro's number)

Note: Keyboard shortcuts work in apps like Notes, Messages, and Mail. The results appear as text that you can copy and paste.

Troubleshooting

If you're having issues with your calculator, try these solutions:

Calculator Not Working

  • Restart your iPhone by holding the power button and volume down button simultaneously.
  • Update your iPhone to the latest iOS version through Settings > General > Software Update.
  • Reinstall the Calculator app by deleting it from your home screen and downloading it again from the App Store.

Third-Party App Issues

  • Check the app's settings for any calculation preferences.
  • Update the app to the latest version in the App Store.
  • Contact the app developer for support if problems persist.

FAQ

Can I add a calculator to my iPhone keyboard?
Yes, you can use the built-in QuickType calculator or install third-party keyboard apps that include calculator functionality.
Is the iPhone calculator scientific?
The standard iPhone calculator is basic. For scientific functions, you'll need to use a third-party app or the built-in scientific calculator (tap the "=" button to switch modes).
Can I use Siri for calculations?
Yes, you can ask Siri to perform calculations by saying phrases like "What's 25 times 4?" or "Calculate 10% of 200".
Are there any free calculator apps?
Yes, many calculator apps offer free versions with basic features. Look for options like Calculator+ or Calculator Pro in the App Store.