For many years my income and therefore my income taxes has varied significantly from year to year, and for many years I would pay in way too much in taxes one year only to follow it up the next year by having to write a big check on April 15th. In 1999 I finally tired of this routine and decided to do something about it.
In looking at my income tax returns, it dawned on me that all of the forms and verbiage notwithstanding, our income taxes are really nothing more than a mathematical equation. It can be a very complicated equation with lots and lots and lots of options associated with it, but in the end it was still just an equation. And because it was an equation, that meant I should be able to put together an Excel spreadsheet that could calculate my taxes for me.
So I set about creating this spreadsheet, and I discovered that my income taxes were not too terribly complicated. Continue reading