# HP 12C When I calculate for "N", my answer is always rounded up, can this be adjusted?

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IF I REMEMBER THIS IS A PROGRAMABLE CALCULATOR RIGHT, YES IF IT IS PROGRAMABLE, NOW YOU HAVE AN ANSWER TO THE MILLION DOLLAR QUESTION HOW TO DO IT MY BE ON THE INSIDE OF THE COVER OF THE DUST COVER .

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CANDYMANGANDY

Posted on Jan 27, 2009

Hi,
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Posted on Jan 02, 2017

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## Related Questions:

### How to fix my hp calculator 12c numbers display is faint?

There is no contrast adjustment possible with the 12c. Most of the time, faint displays are due to weak batteries or poor contact with the battery or batteries.

Jun 26, 2014 | HP 12c Calculator

### 54+45+20+36+32+1=

Press
5 4 ENTER 4 5 + 2 0 + 3 6 + 3 2 + 1 +

Aug 12, 2011 | HP 12c Calculator

### Do you have advice in calculator choice between HP 12 c and the TI BA II Plus Professional Financial Calculator? Assuming that I get proficient with RPN (which I'm learning now); is one faster than the...

The 12C is more expensive and more powerful than the BAII+Pro. The HP is also programmable, which the TI isn't. Starting from scratch (assuming you've never used a calculator before---a somewhat unreasonable assumption) the TI might be easier to learn, at least initially. But after a certain point, the HP will leave the TI behind. The HP is faster and more capable.

There are at least three different versions of the 12C available. There's the original 12C, the 12C Platinum, and the current 12C. The only way to tell the difference between the two non-Platinums is to look at the battery compartment---the original uses three button cells while the newer uses two coin cells. The newer one is MUCH faster. The Platinum, however, can use RPN or algebraic.

Unless your choice is limited to the 12C or the BAII (by the requirement of an exam, perhaps), you might want to look at the HP 20B and the HP 30B. Programmability aside, they're even more powerful and easier to use and faster than the 12C, and the 30B is also programmable.

There are other considerations, of course. Factors such as the feel of the keyboard, the 12C's landscape orientation as opposed to the others' portrait orientation, etc, are all matters of personal preference.

Disclaimer: I own multiple HP and multiple TI calculators. I tend to use HP calculators for calculating, while I use TI calculators to answer questions here at FixYa.

Mar 23, 2011 | HP 12c Calculator

### I accidentally DELeted the L1 and L2 on the STAT -&gt; EDIT rows, are there anyway to fix that?

I assume you're not talking about an HP 12C but a TI calculator of some type.

You can always recreate a list. For example, to create L1, press 2ND { 0 STO> 2ND L1 ENTER

Dec 10, 2010 | HP 12c Calculator

Most likely it's the process not the calculator that is failing. But there are so many things that could be shifting your results...

Are you rounding your values to two decimal places as you go? Because with accounting of very large numbers you need to not round until you get your final answer. The .001 cents lost each time you round a subtotal adds up and in the case of several millions of dollars can cause a few hundred dollar discrepancy.

Also, if you're calculating accrued interest make sure that you are compounding it correctly. Amounts compounded continuously will give you a dramatically different amount than interest compounded monthly or annually.

Finally, if you are using the memory function on the calculator make sure that you are pulling that value in correctly.

Jun 18, 2010 | HP 12c Calculator

### I have an HP 12C calculator and I cannot find the user manual and I cannot remember how to change the no. of decimal places?

Check this HP FAQ:
Setting a Fixed Decimal Place You can download the manual and user guides for your calculator from here:
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=81575&lang=en&

http://h10025.www1.hp.com/ewfrf/wc/product?lc=en&dlc=en&cc=us&lang=en&product=81575&

Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format
1. Press and release .
2. Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected. Example (standard format) If the number in the display is 14.87456320, the display will be changed as follows: Keystroke Display 14.8746 14.9 15 14.87456320 Instructions for scientific notation Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing, the next numbers keyed in are exponents of 10. Press . If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation

Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format
1. Press and release .
2. Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected. Example (standard format) If the number in the display is 14.87456320, the display will be changed as follows: Keystroke Display 14.8746 14.9 15 14.87456320 Instructions for scientific notation Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing, the next numbers keyed in are exponents of 10. Press . If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation

Aug 24, 2009 | HP 12c Calculator

### How can i tell the difference b/w hp12c and hp12p. i bought a hp12p from ebay(it's a stupid decision, I know!) and when i solving for IRR, i felt its running quite slow. I think the guy sold me the hp12P...

I couldn't find any reference to a HP calculator model 12p.
There is a HP 12c financial calculator and a 12c Platinum financial calculator.
Check both models (for images, specifications, functions, user guides, etc.) :
HP 12c Financial Calculator
HP 12c Platinum Financial Calculator

Aug 06, 2009 | HP 12c Calculator

### HP 12C -- Rad error

Hello,
Here is the self-test procedure for your calculator. If it does not answer as it should, it may need service. Sorry, I resized the picture but FixYa refuses the new dimensions. Hope it helps.

Jun 09, 2009 | HP 12c Calculator

### I want to increase the number of decimal places

I found this solution on the HP website. Turn it on, and do what it says. Then turn it off and back on again, and the extra decimal places should show.

http://h10025.www1.hp.com/ewfrf/wc/document?dlc=en&lc=en&cc=us&docname=bpia5183 Introduction This document describes how to set the desired number of decimal places on the HP 12C Calculator in standard format and in scientific notation. Instructions for standard format
1. Press and release the gold PREFIX key (f).
2. Press the number key for the desired number of decimal places (0 through 9).
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected.

Mar 25, 2009 | HP 12c Calculator

### CENTS

I'm doing this from memory because my 12c is at home, but I believe that there is a "fix" key. You need to enter shift-fix-2 (this will set the decimal places to 2).
Dan

Jun 02, 2008 | HP 12c Calculator

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