A formula for IRR - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: HP Prime (/forum-5.html) +--- Thread: A formula for IRR (/thread-3882.html) |
RE: A formula for IRR - fhub - 05-20-2015 10:40 PM (05-20-2015 09:25 PM)salvomic Wrote: I'm completing a program to calculate IRR, MIRR (modified IRR) and NPV for cash flows, both with list or matrix ...Since you seem to be quite interested in financial calculations - maybe my program TVM-Calc would be useful for you (at least to compare the results of your HP-Prime programs)? It's about TVM and Cashflow calculations, and it has a lot of possible settings - you can find it on my website (and it's free!): http://fhub.jimdo.com/ Franz RE: A formula for IRR - salvomic - 05-20-2015 10:48 PM (05-20-2015 10:40 PM)fhub Wrote: Since you seem to be quite interested in financial calculations - maybe my program TVM-Calc would be useful for you (at least to compare the results of your HP-Prime programs)? hi Franz! Danke, thank you. Very useful also your program. I've downloaded and used it just now. Salvo RE: A formula for IRR - salvomic - 05-21-2015 06:20 PM hi, you can find in the HP Prime Software Library a much better version of the program, or ...two version: the first with the single functions exported (the user can recall them separately), the second with Drawmenu (every functions inside, but with a graphic interface). I had to use a trick to avoid a strange erratic first argument output by solve() with the function for IRR, with a IRR value greater than 1 (100%) in some cases but not all... Code:
please, control with examples, if possibles... Enjoy! Salvo |