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

Want to know how much you need to save each month to reach your financial goals? Our calculator helps you build a realistic ...

Convert currency, temperature and more with your iPhone’s built-in calculator, no extra apps or searches needed.

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

A cadence sensor is a compact cycling device that measures pedaling rate in RPMs to provide real-time feedback.

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...