Until today, the iPhone’s calculator mimicked the buttons of its forebears: If you keyed in 48.375, for instance, instead of 43.875, tapping “C” within your app would zero out your entry so ...

People are only just learning what the letter buttons on a calculator means (stock image) (Getty) By. Alice Sjoberg; 12:45, 28 Apr 2025; ...

Until today, the iPhone’s calculator mimicked the buttons of its forebears: If you keyed in 48.375, for instance, instead of 43.875, tapping “C” within your app would zero out your entry so ...

Explaining how this can be used, they wrote: "For example, if you type 1, +, 3 and then hit the clear entry button, the calculator will clear the 3 but remember the 1 +.