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

[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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