Video: The Compound Interest Formula – A Rainbow Bridge

In my ongoing, epic, lonely, quest to convince an indifferent world that the compound interest formula will  clothe the downtrodden, feed the grey whales, prevent the coughing sickness and otherwise save the planet, I offer this video explanation for what the compound interest formula does.


I’m teaching personal finance to college kids this semester, so I plan to offer these video snippets on a  semi-regular basis.  I’m still new to video, so (gentle) criticism, (thoughtful) suggestions, and (full-throated) praise are all welcome!

Please see related posts:

The Most Powerful Math in the Universe Goes Untaught


Compound Interest and Wealth

Compound Interest and Consumer Debt


Mathematical metaphor for interest rates


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Public Speaking


I founded Bankers Anonymous because, as a recovering banker, I believe that the gap between the financial world as I know it and the public discourse about finance is more than just a problem for a family trying to balance their checkbook, or politicians trying to score points over next year’s budget – it is a weakness of our civil society. For reals. It’s also really fun for me.

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The Financial Rules for New College Graduates: Invest Before Paying Off Debt--And Other Tips Your Professors Didn't Teach You


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