If your 8-cylinder Chevrolet Camaro has 3 5/8 gallons of gas left and you have 1 1/2 gallons of spare gas in the trunk, you can figure out how many miles that will take you with the calculator on your ...

You can do fractions on your iPhone calculator using two different methods. When you turn your iPhone calculator sideways — switching it to a scientific-calculator layout — you'll be able to use more ...

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.