The iPhone calculator is something I use frequently whenever I need to subtract my bank account from the clothing item I have in my hand. But I never knew I could do this!

I was scrolling through the Internet, when I saw this video:

PAUSE. what?

I had to try the trick for myself, and it totally works! Immediately, I thought back to all the time I deleted the entire equation because I mistyped a number.

Now, you might be sitting there reading "really? that's it?" But trust me,  show this to one of your friends and their mind will be blown also.

Plus, it'll come in handy next time you mess up on a number.

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