Question about Texas Instruments TI-83 Plus Calculator

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My calculator is broken somehow, it has numbers at random places on the screen and when i type numbers in it doesnt show the entire digit, and with leave blankes and random dots all over the screen, i dont know what caused this, i did not drop it or anything and taking the batteries out and changing them did not work, please help.

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Remove the battery and take out the panels and the pads to be cleaned .now reset the pads after cleaning to see if the fault changes, if not the calculator is faulty as it has a faulty board,.

Posted on Sep 30, 2010

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1 Answer

Why are some numeric keys faded?


the electronics under that portion of the display must have been damaged somehow. find out if there is a way to replace the screen. if there isn't, you might need a new calculator

May 18, 2015 | Texas Instruments Ti Ba Ii Plus...

1 Answer

HP 12 C display does not show entire numbers. How do I fix?


If you mean it is not showing everything after the decimal point, you can change that by pressing the [f] key followed by the number of decimal places to display. For example, to restrict it to 2 places, press [f][2]. If you want to see 4 places, press [f][4].

To show all possible decimal places, use the sequence [f][9].
From the manual (http://www.hp.com/ctg/Manual/c00363319.pdf):
"To display a different number of decimal places, press f followed by a digit key (0 through 9) specifying the number of decimal places. In the following examples, notice how the displayed form of the number inside the calculator - 14.87456320 - is rounded to the specified number of digits."


25096057-rvrejqbjq4zuw4cbinsyjvsy-5-0.png "Although nine decimal places were
specified after f, only eight are
displayed since the display can
show a total of only 10 digits. "
The standard display format, plus the specified number of decimal places, remain in effect until you change them; they are not reset each time the calculator is turned on. However, if Continuous Memory is reset, when the calculator is next turned on numbers will be displayed in the standard display format with two decimal places
shown.
If a calculated answer is either too small or too large to be displayed in the standard display format, the display format automatically switches to scientific notation. The display returns to the standard display format for all numbers that can be displayed in that format.
http://www.hp.com/ctg/Manual/c00363319.pdf

Sep 12, 2014 | HP 12c Calculator

1 Answer

I am using a TI 84 plus, however when you do calculations with decimal values the answer is automatically rounding off. I need to fix that on the calculator, being that I need all the digits past the...


Press MODE to bring up the mode screen. Use the arrow keys to move to the second line and highlight "FLOAT" to show all nonzero digits or select the number of digits you want, then press ENTER. Press 2ND [QUIT] to exit the mode screen.

Jan 26, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When i type in 0.04x0.007 the answer doesnt come in full the zeroz before the decimal dont show up how do i make them show and get the full answer?????


Unfortunately you can't. If the magnitude of the number is too small or too large, the calculator automatically switches to scientific notation. Consider a number that has 30 zeros before it instead of the 3 in this example. How is that going to fit on the screen?

Nov 11, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Only shows 1 decimal place!!


Press 2ndF TAB and then a digit specifying the number of digits you want after the decimal point.

May 23, 2010 | Sharp EL-501WBBL Calculator

1 Answer

Ti 83+ calc has garbled random characters when typing in #'s


Hello,

You may have to force the calculator to boot up so that you can reinstall the OS. Details are in the article . Read the part on Ti83Plus family.
The article contains links to additional pages.
Hope it helps.

Oct 11, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

I have an HP 12C calculator and I cannot find the user manual and I cannot remember how to change the no. of decimal places?


Check this HP FAQ:
Setting a Fixed Decimal Place You can download the manual and user guides for your calculator from here:
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=81575&lang=en&

For more information, Faqs & how-Tosgo the HP support homepage for your calculator:
http://h10025.www1.hp.com/ewfrf/wc/product?lc=en&dlc=en&cc=us&lang=en&product=81575&
s.gif
Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format
  1. Press and release c01774993.jpg .
  2. Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected. Example (standard format) If the number in the display is 14.87456320, the display will be changed as follows: Keystroke Display c01774994.jpg 14.8746 c01774995.jpg 14.9 c01774996.jpg 15 c01774997.jpg 14.87456320 Instructions for scientific notation Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing, c01774998.jpg the next numbers keyed in are exponents of 10. Press c01774569.jpg . If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation
s.gif
Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format
  1. Press and release c01774993.jpg .
  2. Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected. Example (standard format) If the number in the display is 14.87456320, the display will be changed as follows: Keystroke Display c01774994.jpg 14.8746 c01774995.jpg 14.9 c01774996.jpg 15 c01774997.jpg 14.87456320 Instructions for scientific notation Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing, c01774998.jpg the next numbers keyed in are exponents of 10. Press c01774569.jpg . If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation

Aug 24, 2009 | HP 12c Calculator

1 Answer

Generate a random number


Press the math key. Arrow over to PRB (probability) Select #5 randInt. You will now be at the home screen. From here you have to let the calculators the set of numbers you want to use. For example if you want to use the numbers 1 thru 50 type in 1,50. You must separate the numbers with a comma. Then press enter as many time as you want to generate a random number. It is not necessary.to end the parentheses.

Aug 09, 2009 | Texas Instruments TI-83 Plus Calculator

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