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

For a guy who, as CEO and chairman of an investment company that has over US$7 trillion in assets, Jack Brennan has a nice touch for common wisdom for all investors. This year, the former head of ...

YouTuber Kevin Lieber (who hosts the popular Vsauce2 series) has brought a classic math magic trick back from its ‘90s heyday. In the video, Lieber walks viewers through a magic trick where they ...