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 ...

Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very ...

The viral math problem has X users stumped - but the answer comes from lessons learned in fifth or sixth grade. The best way ...

Before Don Johnson sat down to play blackjack at $100,000 a hand, he figured he - not the house - had the advantage in the game. Apparently, he was right. From December 2010 to April 2011, Johnson won ...