HP65 and HP80 direct reduction loan

07172017, 08:57 PM
Post: #1




HP65 and HP80 direct reduction loan
I have calculated loan payments with this Program on the HP65 and believe the results to be correct.
However, when attempting to calculate the same using an HP80 I get different results. So I think I am not using the HP80 correctly. So, if I have a number of periodes, an interest rate, and the annuity, how can I calculate the ammount borrowed? For example: I have 12 payments a year for twenty years, 1,9% anual interest rate and 1200 Euros Anuity, on the 65 I would do this: 20 Enter 12 A 1.9 B 1200 D E C What do I do on the 80? Cheers, Harald 

07172017, 09:12 PM
Post: #2




RE: HP65 and HP80 direct reduction loan  
07172017, 09:21 PM
Post: #3




RE: HP65 and HP80 direct reduction loan
(07172017 09:12 PM)Gene Wrote: This may help: Thanks, I think that did help. I haven't done any financial calculations for that long, that I forgot that the interest rate is per payment periode on those machines, not per year... That probably is the mistake I made. 

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