Question about Texas Instruments TI-84 Plus Calculator

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My equipment only turns on and after that I can not do any thing.

My TI84 turns on and the blinking square it is where should be, but after that I can not do anything.

Posted by cristinar on

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Anonymous

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Spray it with a bottle of compressed air.

Posted on Dec 14, 2007

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Os transferring error


The standalone version of the OS for the TI84Plus/TI84Plus SE are not for TI-Nspire with TI84 keyboard. The 94 Plus part of the TI-Nspire is updated when you update the OS of the TI-Nspire. The version numbers are different.
To update you TI84 portion of the TI-Nspire, update the OS for the TI-Nspire. Thy are now at Version 3.2.3.1233

Sep 26, 2013 | Texas Instruments TI-84 Plus Silver...

1 Answer

Ti-nspire with 84 keypad problems


It seems to me that you get the loading bar when you switch keypads. I just switched keypads, and when I reinserted the TI84 Plus keypad back again I found my last TI84 Plus screen contents still displayed.
As to the RAM cleared message, it probably is related to the batteries being depleted.
To verify battery charge level, you may use TI connect.

Mar 31, 2012 | Texas Instruments TI-Nspire Graphic...

1 Answer

My TI84 plus silver edition calculator is giving me an incorrect sign whenever I do an exponential function. When I type in -25^2, it gives me -625 instead of 625. How do I fix this?


It's giving you the correct answer. It's calculating the negative of 25 squared. 25 squared is 625, and the negative of that is -625.

If you want to calculate the square of negative 25, you need to tell the calculator that.

Press ( (-) 2 5 ) ^ 2 ENTER .

Sep 05, 2011 | Texas Instruments Office Equipment &...

2 Answers

How do I graph equations like x^2 + y^2 = 9 on my TI84 Plus silver calculator?


This is the equation of a circle centered on (0,0) and with radius r=3. You can draw it as a conic section.For that you will need the conics application. Look for it on education.ti.com
You can also draw it as two branches: y1=+ square root (9-x^2) and y2=-square root(9-x^2). The two parts may not overlap at the points on the the x-axis, but if you are willing to accept the calculator limitations you will have your graph.

May 21, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

I have installed the new operating system on my TI84 Silver Editions. It will not convert the square root of 5 to a fraction (thank goodness) but it does convert the square root of 720 to a fraction :( ...


The calculator is showing you its best fractional approximation to the number. To not have it do that, press MODE, up-arrow four times to get to the "ANSWERS:" line, use left/right arrow to highlight "AUTO" then press ENTER. Press 2ND [QUIT] to exit the mode screen.

Mar 16, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Ti84 powers on but the buttons do not work


Do you see anything on the screen? TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If that doesn't work, post a comment here and we'll go on from there.

Jun 02, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI84 Plus will not turn on, even with new batteries. I have tried both faces, and it will not turn on


Hello,
The Texas Instruments FAQ area of their web site has on such question answered. You may want to read the relevant article. Scroll down the page and look for the part on the TI83/TI84 Plus family.
Hope you will find the answer to your calculator's woes.

Oct 30, 2009 | Texas Instruments TI-84 Plus Calculator

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