The Mental Model of Compound Interest

This article on Compound Interest continues my quest to list out the Top 100 Mental Models Needed to Succeed in Business, inspired by Charlie Munger.

Munger calls compound interest “one of the most important models there is on Earth.”

It arises when interest is added to the principal.

If you don’t know how to use compound interest on a calculator,  there are a couple of excellent online compound interest tables/calculators that do all the work for you here:

• The Calculator Site
• GiniFab Compound Interest
• NCalculators Compound Interest Calculator

For example, …

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