Question about Texas Instruments TI-83 Plus Calculator

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From a week now, my calculator Texas Instruments Ti-83 Plus, is not working properly. The buttons: sin, cos and tan seem not to be working properly; I even tried in mathematics questions that were answered, the calculator gives me a different anwer. And I have a mock exam in a week. Please, help me.

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Reset your TI: 2nd --> MEM --> Reset --> All Memory
If this don't work try it with new batteries. If this don't help it seems to be broken.

Posted on Mar 14, 2011

  • rduck66 Apr 18, 2011

    are you in the right mode? if you select mode, your calculator will probably be in radians and you want it in degrees (or the other way around). ask your teacher which one it should be.

  • rduck66 Apr 18, 2011

    try changing modes. press teh mode button (next to 2nd) and use the arrow keys to select degree or if degree is selected already try radian. ask your teacher which one it should be on. it varries based on your unit.

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Try changing the mode. push the mode button (next to 2nd) and use the arrow keys to select degrees or if that is already selected, try radians.

Posted on Apr 18, 2011

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Well,

I have actually seen something similar to this problem and seen it solved. The way it was solved requires the ti-link cable that connects to the computer. Once the cable is installed by the computer (it comes with a disc), you can go to www.ti.com/calc and find a new OS, Operating System, for it that should fix the problem.

Otherwise, you will need to by another calculator of the same model or one of the ti-30's would be fine for that test.

Good luck

Posted on Mar 25, 2011

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Related Questions:

1 Answer

Sin cos tan ti 83


Make sure you have the proper angle mode set. Press MODE and check the third line.

Feb 03, 2014 | Texas Instruments TI-83 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

My TI-83 calculator doesnt gives me the solutions for tangents that have a negative number. Ex. tan(-1) -5/2


Once you reset your calculator, everything should be fine. Sometimes your calculator's memory stores your cos, tan, and sin and messes up your calucations.T o reset your calculator:
  1. Press 2nd then MEM (which is above the + key)
  2. Press 7 to reset
  3. Press 2 for default
  4. Press 2 again to reset defaults
  5. Press enter
  6. Done.
You should be able to get the answer for that, which is 3.8935, in radians at least. :)

Mar 06, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

Sin, cos, and tan do not seem to work properly.


Press "Mode" Check to see if you are in radian mode or degree mode (one of the top categories)
If you are entering your numbers from sin, cos, and tan as degrees and you are in radians, your answers will be off. Same goes for if you are inputting radians while in degree mode. Hope this helps

Dec 26, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I have a TI-84 Plus Silver Edition calculator and I need to find the inverse key to get values for sin, cos, tan, csc, sec, cot. I'm past the lesson where you use the 2nd/sin, cos tan to find the...


There are no keys for cosecant, secant, and cotangent. You can calculate those ratios as

csc(x) = 1/sin(x)

sec(x) = 1/cos(x)

cot(x) = 1/tan(x)

Simply calculate the trig ratio on the right and then take its reciprocal.

Dec 14, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Whenever i put in sin or cos or tan on my calculator the wrong answer comes up, how do i fix this?


Most likely you do have the calculator in radians (or if you are working in radians, you have it in degrees). Press the mode button, move cruser down to "radians degrees" highlight degrees. and press "2nd quit". things sould be better!

Jun 03, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Cannot calclate sin cos tan with texas inst ti-83 plus


To put it in Scientific mode, press MODE then use your right arrow to move your cursor one spot to SCI. Press ENTER then press CLEAR.

May 31, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Tan Cos and Sin errors


go to:


mode
select DEGREE rather than RADIAN three lines down.

Aug 20, 2008 | Texas Instruments TI-84 Plus Silver...

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...

1 Answer

I can not find the "Inv" button...


There is an inverse button below the math button, but if you hit second and the tan it should give you the inverse of tan. Hope this is what you wanted

Oct 24, 2007 | Texas Instruments TI-83 Plus Calculator

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