Question about Canon MP-11DX Calculator

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The calculator is 1 year old and most of the keys quit working

The only keys that work are the number keys and the clear button. none of the functions work

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  • Canon Master
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Doesn't sound like you have much to loose, because it is not functional.

First, unplug the calculator and take any batteries out of it.

I would take the calculator apart and clean the inside. Someone may have spilt coffee, tea, or pop on it. I would use warm water and some dish washing (not dishwasher) soap and dry it with a towel. Make sure the calculator is dry before powering up the calculator.

Good luck.

Paul

Posted on Apr 04, 2015

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SOURCE: Calculator is stuck in Binary mode

Try this. Press MODE and then number 1 ... This worked to me. And then with DRG you can change to DEG, RAD or GRAD ... I hope I helped :)

Posted on Dec 13, 2007

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1 Answer

Why is my calculator frozen?


Is the cursor checkered? If so, there is no more space on the entry line. Use the DEL key to shorten it or clear it. Clear the RAM also.

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Seems unlikely that you get a syntax error for both graphing and Zooming. Probably the error is in the function you are trying to graph.

To reset the RAM,
Press [2nd]MEM][7:Reset][1:All Ram][2:Reset] [ENTER]
Calculator answers with Ram Cleared.
Press [CLEAR] button to erase the above message.

Once Ram is cleared, open the [Y=] function editor and at the Y1= line, enter [X,T, theta, n] key or [ALPHA][X], to draw the simple function Y1=X.
If that works, that means your calculator is OK.

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My TI-84 Plus calculator won't work. It won't switch off by itself. When the batteries are reinserted, it says that all RAM has been cleared. When i press the 'ON' button again, the screen clears. but...


The Ram cleared message is normal after you change batteries. When you see this message you press the CLEAR button to erase it. You do not press the ON button again because the calculator is already ON. If you want to turn calculator OFF you press [2nd][ON] (OFF).

On certain calculators, pressing the ON button when calculator is already ON is interpreted as INTERRUPT the current command.

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Hello,
Some old configuration settings interfer with the program. Clear ram
Press [2nd][MEM][7:Reset][1:All ram][2:Reset] [ENTER] then [CLEAR] the screen and start entering you function.
Hope it helps.

Sep 28, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

When I turn on my ti 83 plus, I only get a blinking bar on the top left. None of the buttons work, and it says RAM cleared. How do I fix?


Hello,

RAM cleared means that the machine removed all old values stored in variables. And it is wainting for you to start calculating.
Enter any operation
1[+]1 should give you 2.

If the keys do not answer when you press them and nothing shows on screen you the calculator may have to be repaired.

Hope it helps.

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The CLEAR key will do that for most functions. However, if you are in some modes, like MATRIX>EDIT or STAT>EDIT, you will have to press 2nd+QUIT (the MODE button) to get back to a the regular screen, which you can then clear with the CLEAR key.

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4 Answers

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Batteries:
Make sure to replace the "battery backup" too the little lithium ion battery

Try Adjusting contrast:
Hold down "[2nd]" key press up or down arrow repeatedly to lighten or darken contrast.

First attempt reseting:
Step 1: Remove all the batteries
Step 2: Hold "Clear" key down
Step 3: Still holding "Clear" key reinstall batteries
Step 4: Still holding "Clear" key press "On" key until home screen is displayed.

Second shot reseting:
remove all batteries including lithium ion (backup battery), wait 3 hours and reinstall batteries.

Third Shot reseting:
Step 1: Remove a battery
Step 2: Hold down "DEL" key reinstall battery
Step 3: Possible msg pops up saying "Waiting ... Please install software" IGNORE msg and take out battery again
Step 4: Reinstall battery do not hold down "DEL" key

reseting will cause the handheld to loose all of its stored memory.

Hope that helps!

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Sharp Elsimate 1611P 12 digit Calculator


It sounds like there is a printer error. Take of the cover where the paper is. There should be a little ink roller. Try taking this out and look in and see if the rubber band with the numbers on it is broken. If so, the machine is not worth repairing, unless you can get it replace under warranty. If it is not broken, try turning the machine on and off with the ink roll out of the machine. This should reset the print head as long as nothing is in there jamming it up. Good luck John

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