Question about Texas Instruments TI-82 Calculator

1 Answer

=keys not working

I have a TI-82 and the following 7 keys do not work...... #'s 0,1,4,7 and the "clear" "," sin keys

Mike C

Posted by on

  • Anonymous Mar 13, 2014

    factorial key on ti-82?

×

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that got 5 achievements.

    Governor:

    An expert whose answer got voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 157 Answers

Hello mchonto. Remove the battery. Perform the following on a cloth placed on a table. Remove to case screws buy using a jewellers screw driver. Carefully open the case. Disassemble the main PBbd support to aquire access to the key board. The key board is made up of diaphram switches. The diaphrams may be broken or dirty or a trace on the PCbd is open. Clean the diaphrams with a dry Q-tip or mostion Q-tip with Aceton. Connect the battery & test. #2 CAREFULLY reseat the felx ribbon trace from the key bd in to the socket. Reconnect the battery & test operation. Malfunction changed, clean the traces with a #2 pencil eraser. Retest. Good Luck

Posted on Oct 09, 2008

  • Gene Pitts Oct 26, 2008

    Hello mchonto, Did the cleaning help or change the problem?

×

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Sin 43 degrees 30'


Press SIN 4 3 2ND [ANGLE] 1 3 0 2ND [ANGLE] 2 ENTER

2ND [ANGLE] 1 gives you the degrees symbol, 2ND [ANGLE] 2 gives you the minutes symbol. If you need seconds, use ALPHA ["] (on the + key).

Note that this usually won't give you an EXACT value, but only a ten-digit approximation.

Dec 05, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

I can not find the arc key or the INV key


The INV key that you may find on some scientific calculators has, on the TI 83/84/ Plus calculators, an equivalent key marked [2nd].

On the TI83/84 Plus, each trigonometric function has a second marking [SIN^-1], [COS^-1] or [TAN^-1]. To calculate the inverses of trigonometric functions ( arc sine, arc cosine, arc tangent) you press [2nd] followed by the relevant trigonometric function key For example, [2nd] [SIN] displays sin^-1( on the command line.

Unfortunately the hyperbolic functions and their inverses are only accessed through the CATALOG. You press [2nd][0] to open the CATALOG. Then you scroll down the CATALOG list to reach cosh(, cosh^-(, sinh(, sinh^-1(, tanh(, or tanh^-1(.
To speed the search in the catalog, you use the ALPHA keyboard: To reach cosh(, press[PRGM] and you scroll down from there.

Feb 27, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do i work out the Sin, Cos, and Tan on the TI-83 plus?


First, make sure you have the appropriate angular mode set. To change the angular mode, press MODE, use the arrow keys to highlight either "RADIAN" or "DEGREE" on the third line, press ENTER, then press 2ND [QUIT].

Press the appropriate sin, cos, or tan key (two rows above the 7, 8, and 9 keys), enter the angle, close the parenthesis, and press ENTER. For example, to calculate the sin of 2.1, press
SIN 2 . 1 ) ENTER

Jun 07, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

I am trying to program a TI-82. I cannot find an arrow key --> or a comma. Please help


The arrow is the STO key just to the left of the 1 key. The comma key is just above the 7 key.

Nov 20, 2010 | Texas Instruments TI-82 Calculator

3 Answers

Comma key on TI-84 Plus Siver Edition calculator.


The comma key on the TI 84 SE is above the 7 key, and it is just left of (, right of x squared, and below SIN. thats where the "," key is. If you're asking something else, please clearify. My understanding is that you don't know where the comma key is. 

Mar 16, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Keys not working


same thing happened to me except its 7 4 and 1 along with the "apps" "sin" and "," keys and it just registers as a 0. ( when i press those keys it puts in 0 on screen)

Aug 25, 2008 | Texas Instruments TI-84 Plus Calculator

1 Answer

TI-84 Plus silver edition sin/cos/tan


for function = (sin,cos,tan,sec,cosec,cotan)
arc(function) = function^-1, calculated in the first quadrant for simplicity(0-pi/2) (0-90deg), as all functions repeat circularly
just another method of notation

http://www.mathwords.com/t/tangent_inverse.htm

Jun 19, 2008 | Texas Instruments TI-84 Plus Silver...

4 Answers

Cosh Squared or Cubed


if you want to square sin(3), press:

(
sin
3
)
)
^
2

Sep 24, 2007 | Texas Instruments TI-89 Calculator

3 Answers

How to clear all information from screen


screen has (m3)and (m1) in upper left corner, have not been able to totally clear screen.

Apr 10, 2007 | Texas Instruments TI-30XA Calculator

Not finding what you are looking for?
Texas Instruments TI-82 Calculator Logo

Related Topics:

194 people viewed this question

Ask a Question

Usually answered in minutes!

Top Texas Instruments Office Equipment & Supplies Experts

kakima

Level 3 Expert

102366 Answers

k24674

Level 3 Expert

7993 Answers

Stevan Milanovic

Level 2 Expert

260 Answers

Are you a Texas Instruments Office Equipment and Supply Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...