You don’t need a finance degree to figure out how long it’ll take to double your money as an investor. The Rule of 72 offers a quick shortcut to estimate growth based on interest rates or, on the flip ...

The M1 money supply is the most liquid version of the money supply and tells a story about what a consumer can spend. Here's what you need to know.

Short-term memory is finite and fills up quickly. Here are 7 ways we can free up space for clearer-headed mathematical thinking.