Before the iOS 18 update, the built-in iPhone calculator functioned well as a basic calculator. ... you're subject to banner ads during use or a full-screen ad every time you open it.

It should work on devices from the iPhone XR and later, which are running iOS 18 or later. Here’s how to use it: 1. To convert a specific unit or currency, first open up the updated Calculator ...

You've been using your iPhone calculator WRONG! Time-saving hacks and secret high-tech mode revealed. Unlock your screen orientation and turn your phone sideways to reveal the mode ...

Your Apple iPhone's calculator can do more than add and subtract numbers and percentages so you can tip your waiter or waitress. It is a multifaceted tool.

If the calculator app on your iPhone doesn’t work, try disabling the screen rotation lock. This little icon could prevent your calculator app from working to its full potential.

The iPhone even supports basic calculations from Spotlight search, so you don't need to open the calculator app at all. Swipe down on the home screen, type what you want to calculate, and the ...

First, get to your home screen, swipe down to search for your calculator, then open it. You’ll see a standard calculator screen. In the bottom-left corner, you’ll see an image of a calculator.

The extra screen real estate on the iPad is a plus if you're designing a calculator app — you could add more advanced functionality on par with a scientific calculator.

The calculator app might look simple, but it's got a lot of depth. First, make sure that your screen orientation isn't "locked". You can adjust that in the Control Centre.