NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

Calculate your expected returns below by entering the amount you want to invest, tenure of investment, and the expected rate of return One simple tool that users can use to estimate returns on their ...

Are you on track to save enough for retirement? Use our calculator to check your progress, see how much retirement income you'll have and estimate how much more you should save. Many, or all, of the ...

Buying your dream home is a huge investment. Among other parameters, assessing your financial status is the most significant one. While buying a house with your liquid cash has several benefits, a ...

Use this calculator to see how your money's value changed over time — and how much it could change in the future. Many, or all, of the products featured on this page are from our advertising partners ...

Disposable batteries seem so 1990s. Sure, it’s nice to be able to spend a couple of bucks at the drugstore and get a ...

Knowing how many calories you burned on a run isn’t required. Calorie-counting can foster a complicated—and sometimes unhealthy—relationship with food and exercise. When you go for a run, you know you ...

Factors that determine the amount of car insurance premium are many. Given below are these factors taken into consideration while determining your car insurance. The auto insurance calculator given ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...