Question about HP 15C Scientific Calculator

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Hp 15c repair

Pr Error

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This normally indicates that the continuous memory was disrupted. Is it appearing every time you turn the calculator on? What happens when you hit the backspace key?

Posted on Apr 25, 2013

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Posted on Jan 02, 2017

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How do i repair X-Axis home position error for pr 600II


If the machine's embroidery arms have been moved under force when the machine's power is on, you may need to have the machine tune up and reset to true center. I would suggest taking it to a authorized repair shop for a good cleaning and service. In most cases for what you paid for the machine, there is included service that can come with the purchase of the machine, or in the least, a discount on mechanical services and repairs.
Cheers,
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Mar 02, 2015 | Sewing Machines

1 Answer

HP 15C commas and decimals interchanged


Turn the calculator off, press and hold the decimal point key, press ON, then release both keys.

Apr 20, 2013 | HP 15C Scientific Calculator

1 Answer

Sinus calculation HP-15C


Press g [DEG] 5 5 SIN 4 5 COS * 1 * 1 * 1 *

I don't know why you need the three multiplies by 1. This could be done as 5 5 SIN 4 5 COS *

Oct 30, 2012 | HP 15C Scientific Calculator

1 Answer

I have a new hp officeet pr 8500 printer but on start up the screen displays error code 0060 and then goes blank. how to fix?


This error means there's an ink leak in your printer. HP recommends that you turn the printer off (using the power switch at the back of the printer), wait 20 minutes and turn the printer on (condensation may be causing error and the printer needs time to dry).

Mar 12, 2011 | HP Officejet Pro 8500 Wireless All-In-One...

1 Answer

My HP 15C calculator recently developed a problem with the number pad being unresponsive. Calculator appears to pass the self test, however, the key pad test does not work at all. Suggestions for repair?


If the keyboard test fails the calculator should be sent for repairs. One shop in Pennsylvania repairs most models, except the newer ones. The URL is www.fixthatcalc.com. Best of luck!

Dec 28, 2009 | HP 12c Calculator

1 Answer

PR ERROR


Hello,
There is nothing to correct: the calculator is merely informing you that the continuous memory has been reinitialized. In other words all your data has been erased. Press any key to erase message.

You should expect this kind of errors once in while, especially if batteries have been depleted for a while or have been replaced.

Hope it helps.
Thank you for rating the solution.

Dec 07, 2009 | HP 12c Calculator

1 Answer

HP 15C calculator display showed ''Error 4'' when using inverse function (1/x). How do I fix it? Thanks.


Hello,
When you get the error press any key to suppress the error message. Put the calculator into PROGRAM mode and you will see the line where the error occurred.

Here is what the manual says for ERROR 4 (free translation)
The line number called is not used or does not exist (larger than 448); attempt to load a program line (instruction) where there is not enough space; line label inexistant.
My hunch is that you are attempting to divide by 0: The quantity of which you are taking the reciprocal (inverse function has another meaning) may have a 0 value.
Do not forget to check the input values.
Hope that will help you debug your program

Oct 14, 2009 | HP Office Equipment & Supplies

1 Answer

HP 15c Passes self test but screen flashes - wont turn off


Hello,
You can get rid of the flashing (usually due to memory overflow) by pressing [<-- left arrow] [ON] or [g] [CF] 9.
If you want to reset permanent memory
1.Press and hold [ON] then press [-]
2. release the [ON] key, then the [-] key.
Screen displays Pr Error.
Press any key to clear display.
Hope it helps.

Sep 25, 2009 | HP 12c Calculator

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