Re: [PHP] IRR Function in PHP -- MORE Info

2003-02-17 Thread Jonathan Pitcher
I received an Excel Spread sheet with built in calculations for 
creating our rate sheets that we pass out to our branches and so on.

In this rate sheet to calculate our APR the spread sheet calls built in 
Finance Functions

IRR Internal Rate of Return
PMT Calculates a Payment
PV Calculates Present Value

My goal is to turn the excel sheet into a DB Driven Rate management 
system for our Internal and External websites. With all input and 
export going through a web based system.

I have all the information I need but I can't seem to find the right 
formulas to make the calculations.

Thanks again,

Jonathan


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Re: [PHP] IRR Function in PHP -- MORE Info

2003-02-17 Thread Marco Tabini
Hey Jonathan--

This page has an excellent description of what the IRR is and how it's
calculated. 

http://invest-faq.com/articles/analy-int-rate-return.html 

I'd love to help more than this, but this is quite a bit of work and
without the actual spreadsheet I'm not sure that I'd be able to give you
meaningful help!

Cheers,


Marco

On Mon, 2003-02-17 at 17:08, Jonathan Pitcher wrote:
 I received an Excel Spread sheet with built in calculations for 
 creating our rate sheets that we pass out to our branches and so on.
 
 In this rate sheet to calculate our APR the spread sheet calls built in 
 Finance Functions
 
 IRR Internal Rate of Return
 PMT Calculates a Payment
 PV Calculates Present Value
 
 My goal is to turn the excel sheet into a DB Driven Rate management 
 system for our Internal and External websites. With all input and 
 export going through a web based system.
 
 I have all the information I need but I can't seem to find the right 
 formulas to make the calculations.
 
 Thanks again,
 
 Jonathan
-- 

Marco Tabini
President

Marco Tabini  Associates, Inc.
28 Bombay Ave.
Toronto, ON M3H 1B7
Canada

Phone: (416) 630-6202
Fax: (416) 630-5057
Weblog: http://blogs.phparch.com


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