Type a wrong number and you have to clear out the entire entry, right? Wrong: The Calc app can backspace. Rick Broida is the author of numerous books and thousands of reviews, features and blog posts.

Yes, there's a way to backspace on an iPhone calculator, and yes, I just learned how to do it a whopping seven years after getting my first iPhone. Until now, I've accidentally pressed the wrong ...

APPLE fans are missing out on mind-blowing tricks that make your life a little easier. From a hidden backspace in the calculator app to a built-in digital tape measure, we’ve tracked down some of the ...