With this hidden iOS 18 feature, you don't have to open your Calculator app to solve tricky equations, and you won't have to open Google to look up a conversion rate, either. Instead, you can just ...

As it turns out, Apple has also expanded calculator-like functionality in iOS 18, allowing you to do basic math and conversions in any text field, straight from the keyboard.

The Calculator app on iPhone now has an additional button to switch between Basic, Scientific, and Math Notes in portrait or landscape view. Meanwhile, there's a useful new History feature that ...

Windows 11's Calculator app has a scientific calculator, a graphing calculator, a programmer's calculator, and supports date calculation. It also allows you to convert currencies, units, and lengths.