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‎03-11-2022 12:30 PM

HP Recommended

I purchased the HP 10bII+ calculator for my finance class. No problems in the beginning however the financial keys at the top aren't calculating right and when I go to check the numbers I've entered the calculator seems to add or change my original numbers. 

I entered the following

N = 3 I/YR = 8 PV = -42,330.49, FV = 0

I should receive a PMT of $16,425.65 however I'm getting $14,298.72

When I go and check my original number the FV is now -.000000000020

 

How do I fix this issue?

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