Apple's Calculator app does more than help you calculate tips. With the latest OSes, it launches on iPad and lets you create a Math Note for more complex problems, among other things. Our team tests, ...

The calculator on your Apple devices can do more than add, subtract, multiply and divide. Here's how it can help you with all ...

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

Narrator: Okay. Draw a rectangle.Now, measure the perimeter. It’s the total length around a shape. But what if you couldn’t measure the sides? Then you’d have to use what information you do know to ...

Opinion: the research to discover what is happening to the sea levels around our coasts begins with mud and ends with maths I am waist deep in mud. It is freezing cold and I can smell the sharp salt ...