10 Tricks to Use the iPhone Calculator Like a Pro

Deepak Gupta August 20, 2022
Updated 2022/08/20 at 4:18 PM

The Calculator is probably one of the most used applications by iPhone users, whether for supermarket bills or to split the bills at a dinner with friends. However, there are always people who don’t know all the little tricks there are to use it in the most efficient way. You may know most of them, but there is a chance that you may not know them all or simply forget about them.

So today we bring you 10 tricks to use iPhone Calculator like a pro.

1. Open the Calculator

Yes, you can just tap the Calculator icon on the main screen, but there are other ways to open the Calculator. Here are some:

  • Click the icon on the main screen.
  • Click the icon in the Application Library. (iOS 14 and later.)
  • Click on Search.
  • Click the icon in Control Center.
  • Say or type "Calculator" or "Calculator" in Siri.
  • You can also use various automation scenarios from the Shortcuts app.

2. Unlock the Scientific Calculator

Most likely some people have never turned their iPhone over except to watch Netflix or Youtube. However, if you run it with the calculator open, it will automatically switch from the standard calculator (for basic arithmetic calculations) for scientific calculator (for exponential, logarithmic, and trigonometric functions).

You'll find more advanced options such as cosine, tangent, square root, natural logarithm (ln), among others.

3. Delete digits you entered by mistake

If you wanted to enter the number 100 but accidentally clicked on another 0, there is an easy way to remove the entered digits. Just swipe left or right on the number field and the last digit will be erased. If you need to get rid of two, swipe again - and so on.

4. Erase the integer you entered

Whenever you type a wrong integer, there's a super quick way to correct the mistake. You can simply clear the field using the "C" button, which stands for "Clear". It won't erase all your progress - just the last number. So, if you entered 1o x 50 but wanted 10 x 5, click on "C" and continue with your calculation.

to erase everything click on "C", and then on the same button that will be displayed as "AC".

5. Copy and paste numbers

Apple's help pages only mentioned one way to copy and paste numbers into the Calculator, but there are actually many different ways to do it.

note: If you are trying to paste a number, you will only see the "Paste" option if you already have a number saved in your clipboard.

  • Click and hold on the number currently displayed. Click "Copy" to copy the number, or click "Paste" if you have a number saved on your clipboard that you want to use in the calculation.
  • Double-click the number currently displayed and repeat the process from above.
  • Click on the screen with three fingers. Click the Copy icon (middle button) to copy the number currently displayed, or click the Paste icon (to the right of Copy) if you have a number saved in your clipboard. (iOS 13 and later only).
  • Click on the display with three fingers as if pinching someone. This will copy the currently displayed number.
  • Click on the viewfinder with three fingers and spread them out. Think of it as the opposite of a three-finger pinch. This will paste the number. (iOS 13 and later).

6. Copy the last Calculator result

If you're still in the Calculator app and need to copy the current result, just use one of the options above. However, if you're not already in the Calculator app, there are still a few ways to do it.

Press and hold the Calculator icon on the home screen.

You will see an option to "Copy Result". Afterwards, the calculator will open to confirm that it is the correct result.

You can perform math calculations directly from Search instead of opening Calculator. To open Search, swipe down on your home screen or lock screen.

Then enter your equation or formula. A box directly below the Search field will appear with your result. click on it, and will go directly to the Calculator with the result already enteredin case you want to continue your math problem there.

8. Make Siri do the work for you

You can ask Siri to do your calculations for you, in some cases, without lifting a finger. Just say something like this (in this case, if using Siri in English):

  • "What's 50 percent of 250?"
  • "What's one-fourth of 100?"

If you try to ask more advanced problems like algebraic expressions, Siri may not use the Calculator to give you results. Instead, you can use Safari to give you solutions or links to possible answers.

9. Click '2nd' to find more options

If you're new to scientific calculators, this might come in handy. Since all the options don't fit on the screen, you can click the "2nd" key to change some of the other buttons and get access to more options.

10. Get a random number in the Calculator

On the scientific calculator, there is a "Rand" button, which is a random generating function that produces a number between zero (0) and one (1). More specifically, it is a number pseudorandom because the software cannot randomly generate the result of unpredictable natural phenomena like rolling data or measuring atmospheric noise.

These were then the 10 tricks to use iPhone Calculator like a pro. You probably found some pretty obvious, but there are always others that escape.

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