Appendix C: Error Conditions; Error 0: Mathematics - HP 12c User Manual
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Also See for 12c:
- User manual (288 pages) ,
- Owner's handbook manual (213 pages) ,
- Reference manual (168 pages)
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Some calculator operations cannot be performed under certain conditions (for
example, z when x = 0). If you attempt such an operation under these conditions,
the calculator will display the word Error followed by a digit, 0 through 9. Listed
below are operations that cannot be performed under the conditions specified. The
symbols x and y represent the number in the X- and Y-registers, respectively, when
the operation key is pressed.
Error 0: Mathematics
Operation
z
y
r
°
q
à
Z
?z(0 through 4)
e
File name: hp 12c_user's guide_English_HDPMBF12E44
Printered Date: 2005/7/29
Appendix C
Error Conditions
Condition
x = 0
x = 0
x < 0
x ≤ 0
y = 0 and x ≤ 0
y < 0 and x is noninteger.
y = 0
y = 0
x = 0
x is noninteger
x < 0
181
Page: 181 of 209
Dimension: 14.8 cm x 21 cm
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Questions and answers
How do you change the number of decimal points?
To change the number of decimal places on an HP 12c calculator, follow these steps:
1. Press the f button.
2. Press the number key corresponding to the number of decimal places you want to display.
For example, to display 5 decimal places, press f 5.
Additionally, to display numbers in scientific notation, press f ..
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My HP12C Calculator is flashing 0000's. How do I fix?
To fix your HP 12C calculator that is flashing 0000's, follow these steps:
1. Remove and re-insert the battery, ensuring it is properly positioned in the battery compartment.
2. If the calculator still does not turn on properly, install a fresh battery.
3. If the issue persists, reset the calculator by performing a complete test:
- Turn off the calculator.
- Hold down the `;` key and press `§`.
- Release the `;` key, then release the `§` key.
4. If the display does not show the expected result (–8,8,8,8,8,8,8,8,8,8), or if it shows "Error 9" or goes blank, the calculator may require service.
If necessary, reset Continuous Memory as described in the manual.
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