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E symbol on display makes the calculator non responsive

The calculator won't respond

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Infinity Symbol

Very few graphing calculators can display the infinity symbol
. Most calculators have no use for it. In all likelihood yours too.

Aug 29, 2014 | Casio Office Equipment & Supplies

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I am a manufacturing engineer... I want to program my calculator for machining functions. When I program simple equations, such as Surface Feet per Minute, RPM x DIA / 3.82, the prompts are only (?), and I...

Yes, that is possible. Here is a simple program that prompts the user to enter the value of the radius, then it displays the circumference.
To name variables use single letter symbols, A, B, C, ...

To enter keywords such as Input and Disp(play) use the sequence [2nd][0] (Catalog) then scroll or press the letter that begins the keyword to go to the top of the list of commands that start with that letter. For other mathematical and non litteral symbols scroll up to go to the end of the catalog and continue to scroll up until you find the symbol.






Jan 31, 2013 | Casio FX9750GII Graphic Calculator

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Making PI a variable in TI-82 Calculator

The calculator does not have a Computer Algebra System or CAS: It cannot handle non numerical quantities. Every letter symbol must have a value stored in it prior to being used. If no value is stored in a letter symbol, value 0 is assigned to it. Sorry.
As to calling Pi a variable, I would not got that far, even if the calculator would give me 2Pi.
TI calculators that have a CAS are the TI92 Plus, the Voyage 200 PLT, and the TI Nspire CAS, TI Nspire CX CAS.

Apr 14, 2012 | Texas Instruments TI-82 Calculator

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I can't get my TI-nspire calculator to give me the answer in anything but decimals, for example the sin(pi/4) should be something like radical 2 / 2 but instead i get .7 ??? help

The TI Nspire has two calculation modes: Auto and Approximate. In Auto mode the calculator will attempt to do exact calculations. If that is not possible then the results are displayed as decimals. The non CAS version does not do symbolic manipulations, only the CAS version can do that.
However if you are actually using the CAS calculator, then go to the settings ( Settings>General ) and change the settings for the calculatoion mode to EXACT. The Non Cas does not have that third choice.

Sep 11, 2011 | Texas Instruments TI-Nspire Graphic...

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665.68601890 Acts as though it is not receiving power but breaker is not thrown. Is there an internal reset. Nothing responds - no lights, fan or microwave. Panel is black and non responsive

ther is on most microwaves a fuse inside usually located behind display panel located in a fuse block or will be on the control board itself.. normally a 20 amp fuse...try that first if not then make sure you have power to control and if so and no display most likely the display control board...
may luck out and be just the fuse though....good luck

Jan 08, 2011 | Kenmore Microwave Ovens

1 Answer

How to turn printing on and off?

PRINT KEY: To save paper you can only print what is displayed, even in non-print mode. Pressing after the entry of a number will print the entry with the symbol “#” even in non-print mode. Pressing will insert a separator into a number entry such as a code, date, etc. Separators are displayed as a period and dashes but printed as periods. MEMORY + KEY / PRINT ON / OFF KEY: Pressing selects print mode or non-print mode. Cause the calculator to operate in a display / print or display only mode, depending upon the calculator’s present state. “P” on the display: Print mode. “NP” on the display: Non-print mode. MEMORY – KEY / DECIMAL SELECTION KEY: Pressing sets the number of decimal places in the result. “F” on the display: The answer is displayed in the floating decimal system. “3, 2, 1, 0” on the display: Presets the number of decimal places in the answer. “A” on the display (Add mode): The decimal point in addition and subtraction entries is automatically positioned to the 2nd digit from the lowest digit of entry number. Use of the add mode permits addition and subtraction of numbers without entry of the decimal point. Use of , and will automatically override the add mode and decimally correct answers will be printed.

Aug 18, 2010 | Sharp EL-1611P Calculator

1 Answer

How to fix a none responsive button in hp 35s calculator

Resetting the Calculator
If the calculator doesn't respond to keystrokes or if it is otherwise behaving unusually, attempt to reset it. Resetting the calculator halts the current calculation and cancels program entry, digit entry, a running program, a SOLVE calculation, an ∫ FN calculation, a VIEW display, or an INPUT display. Stored data usually remain intact.

To reset the calculator, hold down the C key and press GTO . If you are unable to reset the calculator, try installing fresh batteries. If the calculator cannot be reset, or if it still fails to operate properly, you should attempt to clear memory using the special procedure described in the next section. If the calculator still does not respond to keystrokes, use a thin, pointed object to press the RESET hole.
The calculator can reset itself if it is dropped or if power is interrupted.


If the calculator fails to respond to keystrokes, and you are unable to restore operation by resetting it or changing the batteries, try the following MEMORY CLEAR procedure. These keystrokes clear all of memory, reset the calculator, and restore all format and modes to their original, default settings (shown below):
  1. Press and hold down the C key.
  2. Press and hold down the R/S key
  3. Press i (You will be holding three keys simultaneously)
  4. When you release all three keys, the display shows MEMORY CLEAR if the operation is successful.

Mar 02, 2010 | HP 35s Scientific Calculator

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The [MODE] key can be used to select the modes described below.
Important! The following is a general explanation of Scientific Calculator modes. Note that your calculator may not include all of the modes described here.
1) Calculation Modes
Before performing a calculation, you first need to select the appropriate calculation mode.
COMP: Basic arithmetric calculations
(arithmetic operations, trigonometric functions, etc.)
COMPLEX: Complex number calculations
SD: Single-variable statistical calculations
(sample standard deviation, etc.)
LR or REG: Paired-variable statistical calculations
(linear regression statistical calculations, etc.)
BASE or BASE-n: Binary, octal, decimal, hexadecimal number system calculations
MAT: Matrix calculations (determinants, etc.)
VCT: Vector calculations
EQU: nth degree equations, simultaneous equations
2) Display Settings
Use these settings to control how calculation results are displayed.
Note that changing the Fix and Sci settings does not affect internal calculation results.
Norm: Exponential display format and cancels the currently configured Fix and Sci settings.
Fix: Specifies a fixed number of digits to the right of the decimal place.
Sci: Specifies a fixed number of significant digits.
3) Angle Unit Setting
(90°=?/2 radians=100 grads)
Deg: Degrees
Rad: Radians
Gra: Grads
4) Engineering Mode
Use this mode when you want to input and perform calculations using engineering symbols.

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Sep 08, 2009 | Casio MS-80TV Scientific Calculator

1 Answer

Not recognizing DVD player

i would say for some reason your dvd player is not compatible from now on with that brand of blank dvd!

get the firmware update from the brand website all you do is download the file burnit on a cd and put it in the dvd player should fix most and eventual problems

Jan 14, 2008 | Panasonic DMR-EH75VS DVD Recorder/VCR/HDD...

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