Question about HP 12c Calculator
Clients claim to not know their current interest rate while talking about a new refinance. I have the term, loan amount and payment. What is the process to "roll" to the rate to find out what the rate is for a apples to appels comparison?
Enter the number of payments and press "n". Enter the monthly payment as a negative number and press "PMT." Enter the amount of the loan and press "PV." Press "i" and see the interest rate.
Posted on Sep 03, 2013
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Posted on Jan 02, 2017
In any order, enter loan amount followed by PV, number of months followed by N, interest rate followed by i. Then press PMT.
If you need a manual, you can download one from
You can also download training modules at
Posted on Feb 22, 2011
8 5 0 0 0 0 PV 1 0 0 0 0 0 0 CHS FV 2 n i
The loan seems rather usurious. Are you sure it's not a two-year loan (twenty-four months)? That brings the interest rate down into a reasonable range.
Posted on Feb 22, 2011
Once you're in the TVM solver:
On the top line (N=) type in 5 * 12 ENTER for five years of month payments.
On the I% lline type in 5.5 / 12 ENTER for the month interest rate.
On the PV line type in 18000 ENTER
Make sure the FV is 0 and END is highlighted on the bottom line.
Move the cursor to the PMT line and press ALPHA [SOLVE] (that's ALPHA ENTER) and see -343.82 for the monthly payment.
Posted on Feb 19, 2010
SOURCE: using an older EL-533.
Sharp does not have the manual for the EL-533, but there is one for the EL-531 (click the link to go). It's very close and similar.
For some reason they just don't have the EL-533 on site.
Hope this helps (remember to rating this free answer leave some testimonial comments).
Posted on Oct 08, 2011
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