Question about HP 10bII Calculator
Hi, I would really appreciate if you could tell me how I may add more than 2 significant numbers which appearing on the screen of my calculator. Thanks
Press SHIFT DISP then a digit for the number of digits desired after the decimal point.
Posted on Sep 03, 2013
SOURCE: Addition Problem with HP 17BII
do a self test
1. Turn the calculator on.
2. If you have the optional infrared printer, turn it on. Certain diagnostic
information is printed during the test.
3. If possible, return to the MAIN menu (press @A).
4. To start the self-test, hold down C while you press the fifth menu
key from the left. Once the self-test has begun, do not press any keys
until you are ready to halt the test.
5. During the test, the calculator beeps periodically and displays various
patterns and characters. Watch for one of two messages that are
displayed before the test automatically repeats:
If the calculator passes the self-test, the calculator displays
If the calculator displays followed by a five-digit number,
the calculator requires service.
6. To halt the self-test, hold down C while you press the third menu
key from the left. The calculator displays . If you
press any other key instead, the test halts and the calculator displays
a message. This results from an incorrect key being pressed,
and does not mean that the calculator requires service.
7. If the calculator failed the self-test, repeat steps 4 through 6 to verify
the results. If you do not have a printer, write down the messages that
are displayed in step 5.
Posted on Jan 01, 2009
Adjust the screen contrast. Turn the calculator on. Press and release the 2nd key, then press and hold the up-arrow key until the numbers darken. If you go too far, repeat the process with the 2nd and down-arrow keys.
Posted on Mar 22, 2011
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