Financial Calculator docs

[Jon Lapham]

Terry Boldt wrote:
> Look in the source file - I put all of the equations in there along with 
> examples and explanations of the equations and their derivation.

Wow.  Thanks.  I'm putting the formulas and some of your text into the 
documentation now.

> Look in "src/calculation/fin.c". 
> 
> Approximately the first half of the file is comments on the financial 
> equations, conventions used, the use of the equations and how to compute an 
> amortization schedule and the various types of amortization schedules.
> 
> I think you will find the explanations, equations, derivations and examples 
> pretty extensive and explanatory.
> 
> Also look at the README file I included for some explanation of the functions 
> as coded.

Nice.  I'll let you know when I'm done updating things, so you can take 
a look.

-Jon

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  Jon Lapham  <lapham at extracta.com.br>          Rio de Janeiro, Brasil
  Work: Extracta Moléculas Naturais SA     http://www.extracta.com.br/
  Web: http://www.jandr.org/
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