Question about Texas Instruments TI-89 Calculator

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I only get an equals sign when pushing any button

Everybutton i push on my ti-89 gives me an equal sign. if i push second to turn it off it give an apostrophe but wont turn off. The up arrow gives an A. the yellow button gives an equal signs thats crossed out. The alpha button gives a lower case a. Other than those buttons every button will give an equal sign and i cant do anything.

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Did you spill anything on it? if so, then let it dry out.

Posted on Aug 19, 2008

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2 Answers

How do you type an equal sign on the TI 84 calculator


On these units, the "equals" sign ([=]) is located in the [TEST] menu. This menu is a [2nd] function of the [MATH] key.

This function is used to test if two expressions are equals. To evaluate an expression, simply hit [ENTER].

Good luck.

Mar 01, 2011 | Texas Instruments TI-84 Plus Calculator

4 Answers

Where is the equal sign on the ti 84 plus


hello sir, Press "second" "math", and it should be the first thing listed. If you need other commands hit "second" "0" that will enter the catalog and you can press any letter (without hitting alpha) to jump to that letter in the list. Please click on the following link to see the manual of the TI-84 Plus Calculator: http://education.ti.com/guidebooks/graphing/84p/TI84PlusGuidebook_Part2_EN.pdf
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Mar 03, 2010 | Texas Instruments TI-84 Plus Calculator

2 Answers

My TI-89 calculator turns on, but gets stuck on window editor


If you're willing to have all RAM cleared, try a hard reset.

Press and hold the 2ND, Left-arrow, and Right-arrow keys.
Press and release the ON key.

Feb 20, 2010 | Texas Instruments TI-89 Calculator

1 Answer

My high end cuts out


eq is give problem check or replace

May 05, 2009 | AudioControl Three.1 4-Band Car Equalizer

1 Answer

Log & reciprocal functions


There is no log (base 10) button on a TI-89. It's buried in the CATALOG as log(. As a shortcut, you can do ln(#)/ln(base), where # and base are replaced with what you want. For the inverse of a log, do the base raised to the part on the other side of the equals sign. So, log(x) = 2 would become 10^2 = x.

Jul 16, 2008 | Texas Instruments TI-89 Calculator

1 Answer

Turning on surround


push the DSP button it is right above the equalizer.

Jan 11, 2008 | GE GTD120 System

7 Answers

How do you set the clock/calendar on the Canon MP25DV?


on the bottom of your calculator is a reset button, with a paperclip or a pen press that button. Then, press the calendar, clock key. next, press the equal sign key until the date is flashing type in the date using 11172006. press the equal sign again and the date is set. Next press the calendar, clock key again the time should show up (12-00-00)press the equal sign again until the time starts to flash. enter in the time using 0903 (9:03) press the equal sign again. Time is set. to display the date and time when not using the calculator, press the calculator, clock key 2x's. to go to compute mode press the red CE/C button.

Nov 04, 2006 | Canon MP-25DV Calculator

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