Bankrate on MSN

Rule of 72: What it is and how to use it

Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...

Best ways to track your meds on iPhone and Android

Complete guide to medication tracking apps for iPhone and Android users, featuring built-in Health apps, MediSafe, MyTherapy, and smart pill dispensers.
Hackaday

Set Phone To… Hyperspectral

While our eyes are miraculous little devices, they aren’t very sensitive outside of the normal old red, green, and blue ...

Alternatives to the Rule of 72

The Rule of 72 is a simple calculation tool for investors to use, but it's not necessarily the most accurate. Here are some ...