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We have the Canon BP37-DTS Bubblejet calculator and it shows a E in the left hand side of the display and doesn't allow you to enter anything

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On screen show E and can not print or .How to remove


Your calculator is beyond repair. You can use it in no print mode ohly. The printer is not working, causing the error code.

Turn it off and back on and only use the display mode.

Dec 15, 2015 | Canon P27-DH 12 Digit Mini Desktop...

1 Answer

E shows on left of screen with 0 on right hand side. I can't get it to respond to any prompt.


sounds as if your calculator has registered a number to large to display. this can be done in either the normal calculating mode, or in the memory calculating mode. i will help with both scenarios.

for normal calculating mode:
try pressing the CE button and holding for about a half a second. the E should disappear and calculating function should resume.
if that doesn't work, try disconnecting power supply for a few seconds, then reestablishing power and hit CE

for memory calculating mode(there will be a M on the screen as well if this is the problem)
press either the CE or MC/MCE button for a half second. this should return normal function.
if that doesn't work, try the power reset as described above.

Jan 15, 2014 | Canon MP18D II Basic Calculator

1 Answer

Is it possible to enter fractions in my new casio fx9750gii. ive tried the shift f-d key but it doesn't want to play


The F-D key converts from fraction to decimal and vice versa. The key to the left of the F-F key, and which is marked a b/c is the one used to enter fractions. The SHIFT F-D sequence toggles between improper fraction and mixed number. The OS of this calculator does not allow the displaying of stacked fractions.

Jun 09, 2012 | Casio FX9750GII Graphic Calculator

1 Answer

How do I set the date & time on my Canon P23 dhv calculator?


Press and hold the ClockDate Set button for three seconds until the display shows the date with the first digit blinking. Enter a two-digit month, a two-digit date, and a four-digit year, followed by the ClockDate Set button.

Press and release the ClockDate Set button. Press and hold it for three seconds until the display shows the time with the first digit blinking. Enter a four-digit time, press AM/PM as appropriate, then press the ClockDate Set button. Press CE/C to finish and return to calculation mode.

You can download a manual from http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=346&modelid=15431

Jul 13, 2010 | Canon P23-DHV Calculator

1 Answer

The left side of our ti-84 will not display after


Would it help if I told you that all the precision you are apparently looking for has no meaning?. In any number resulting from a scientific calculation only a limited number of digits are truly significant.
If you are entering characters (numbers, symbols, letters, etc.) the calculator keeps accepting them until its memory is full. At this point the cursor changes and go from a solid rectangle to a checkerboard-like rectangle, and you cannot enter anything anymore.

But if you are calculating some meaningful expression, the calculator displays the result according to the display mode you selected: Normal, Scientific, or Engineering). However, even in normal mode, if a number is too small, or too large, the calculator displays it in scientific format.

Scientific format
This format is as follows
  1. A minus sign if result is negative. If positive (+) is omitted.
  2. One digit
  3. Decimal mark (.) or (,) according to configuration
  4. A certain number of decimal digits (maximum 9)
  5. The E to symbolize ( times 10 to the power of)
  6. A minus sign (if exponent is negative), nothing if positive
  7. A maximum of 2 digits for the exponent of the power of 10. The maximum exponent you can have is 99
Let us count the number of possible characters in a display
-1.123456789E-12. That is 16 character slots.
Try playing with the number 987654321123456. All you will see is 9876543211E12. The 23456 sequence disappears, and all that "precision" is lost. Why, may I ask, should you worry that your calculator is not displaying more that 13 characters on the left.

This is what I understood from your one-liner of a question. And because it is a rather cryptic one-liner, I may have gotten the whole problem wrong. If that be the case, do not just shoot down the answer, post a comment to the solution describing what you are trying to do. If it is a bona fide worthwhile concern, I will do my best to help you with it. If on the other hand, it is jus plain idle doodling I will leave it at that.


Dec 19, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

<-- in left side of screen


your printer is stuck tru to move some parts of printer and then turn on

Jan 20, 2008 | Canon P126D Calculator

1 Answer

Won't print/feed


Try removing the batteries in addition to reseting the calculator.

Oct 12, 2007 | Canon P23-DH Calculator

1 Answer

Error 30


Hello,à
Here is what the manual for the FX1.0Plus says. You acn reset the RAM. Since this will erase anything you may have entered and saved, what you decide to do is of course up to you.

Hope it helps.
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Sep 29, 2007 | Casio FX1.0 Plus Calculator

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