HP 12c RPN Business and Financial : Hewlett-Packard Calculator Educalc.net

HP 12c

HP 12c Platinum

HP 17bII+

HP 12c

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Seems like a common refrain, no handbook, but. In my display I have an asterisk in the lower left hand coner and I do not know why it sits there pulsing. I thought it might be weak batteries, so I replaced them and it does not seem to have any impact.
Bill Wood
4/8/2008 3:41:05 PM - US | comment

I must have hit a wrong button (and lost my HP12C hand book to boot!!), but could someone tell me how to reset from 0,000 to 0.000 (comma vs dot)...thanks for any help....Joe...
Anonymous
4/2/2008 6:42:13 PM - US | comment

I´d like to determine the NPV of a $300k (one-time) payment due in 10 years. Assume 6% interest rate. Lost my 12-C manual. How do I calculate this? Thanks.
forgot to include my e-mail address first posting. apologies.
Michael
2/15/2008 9:40:32 PM - US | comment

Does HP 12C calculate on 360 day or 365 day interest calculation when calculating payments for amortized loan.
Ankit
9/13/2007 12:11:12 PM - US | comment

it is time to replace its batteries.

In reply to Gonzo:
My HP12C runs well, but has a "blinking asterix" on the lower left hand corner of the display screen. IS that "normal"?? What is that telling me?? Can I delete it??

Anonymous
3/30/2006 1:34:38 AM - SG | comment

My HP12C runs well, but has a "blinking asterix" on the lower left hand corner of the display screen. IS that "normal"?? What is that telling me?? Can I delete it??
Gonzo
3/2/2006 3:30:38 AM - US | comment

Great site, thanks very much!

Chris
http://amateureconblog.blogspot.com/
Chris Meisenzahl
1/21/2006 1:08:58 AM - US | comment

does anyone know a US source for a replacement clear plastic view screen for the HP12c?
Professor
1/12/2006 6:20:50 AM - US | comment

Is there a way to format with out a decimal or period indicating the thousands?
LF
8/25/2005 12:14:53 AM - US | comment

I am hoping to buy the 12C for 45 students of mine. I am in johore and much obliged if you could quote the best deal possible.

rosdi
Rosdi
7/28/2005 10:51:09 AM - MY | comment

You rule!

Thanks for saving my brain from melt down!
Anonymous
5/24/2005 1:16:37 AM - US | comment

I have just downloaded a the basic 12c calculator program to my handheld iPaq PDA and wanted to calculate accrued interest for bonds. From your tutorial it talks about pressing X> but I gather that must be a key on the 12c Platinum, since I can´t find a X> key on the 12c. Can anyone advise?
Murray Leiter
7/3/2004 12:54:52 AM - CA | comment

Your strange 12C display may disappear if you short across the battery terminals from end to for a moment with the batteries in place. Several shorts may be needed. Use tweezers or metal paper clip.
DAVE ALLEN
4/27/2004 12:29:35 AM - US | comment

here´s the display:

00000U _
rad

any ideas would help. can´t get rid of the display even if I take the batteries out. Put the batteries back in and it´s back.
BOB
4/14/2004 7:29:13 AM - US | comment


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