The Power of Investment Calculations

Money doubles faster than you think and there's a simple formula to prove it.

The Rule of 72 says divide 72 by your interest rate and boom, that's how many

years until your investment doubles. Got a 10 percent return? Your money doubles

in just 7.2 years. But here's where it gets wild. Engineers use something called the time

value of money to make million dollar decisions every single day. They compare investments

using present worth, future worth, and internal rate of return. The craziest part?

A project that looks profitable today could actually lose you money if you ignore inflation

and taxes. Companies literally choose between building factories or buying bonds based on these