If you invested $10,000 at 5% simple interest for 10 years, you would receive $500 in interest every year, for a total of $5,000 in earned interest at the end of year 10. This would make your total of ...

Businesses rarely loan or borrow money without receiving or paying interest on the loan amount. Although loans may use simple interest, most loans compound the interest periodically or continuously on ...

What these two processes share is baked into the math of each. In fact, in that respect, they're nearly identical. They both involve some stuff (atoms or money) that is either growing or shrinking.