There are two basic ways to do fractions on your iPhone calculator. Here's what you need to know to use the built-in app.

How to use the iPhone scientific calculator, Math Notes for easier problem solving The calculator on your Apple devices can do more than add, subtract, multiply and divide. Here's how it can help you ...

Once I found this clever trick, I was a total convert. Every once in a while as I'm boarding a flight, wandering an unfamiliar city, or trying to figure out if a bottle of single malt is the bargain ...