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‎10-01-2024 04:28 PM

HP Recommended

I'm trying to solve:

PV: -802.50

FV: 1000

n: 10

PMT: 80

i: ERROR 5 (after I input all other parameters, when I press i, it shows me ERROR 5)

I've done this calculation on a online hp12c and it works, only on my physical device that it doesn't. I've reset it using the X + on, with the + + ON, I've left it without battery for more than 24h and same error.

 

 

ps.: it's curious because my HP12C works if I change the PV for any value greater than around -850

 

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