The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

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 ...

Google Calculator is an online tool offered by Google that lets you use its website to do basic math calculations such as addition and subtraction. This is convenient if you are on a business trip or ...