Question about Texas Instruments TI-83 Plus Calculator

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TI-83 Plus Works most of the time. One single verticle line stays in upper right hand grid and prevents answers to line up properly. Throws everything off by a line. Also one verticle line missing from graph. I assume it's the one I'm talking about. Can a line on the screen get misplaced and stay there? Batteries are new except backup battery. Any suggestions???

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This could be an assymtote and if you really want exact answers use the table function or just press trace and type in an x value

Posted on Sep 13, 2008


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Posted on Jan 02, 2017


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How do u do fractions

To do fractions on the TI-83, you must use parentheses.
The parentheses buttons (there are two of them, facing either way) are near the upper right corner of the buttons on the calculator.
To write a fraction, you must enclose it in parentheses, using the divide button (the slash) as the fraction sign (the line between the numerator and the denominator)
For example, this would be one half:
And this would be one third:
As long as the numbers are confined between parentheses, with no other numbers in there besides the fraction, they will act as a single group.
Don't ever be afraid to use plenty of parentheses, either!
For example, if you wanted to add one half to one third, and then multiply it all by three, the following would definitely be acceptable:

Jun 08, 2011 | Texas Instruments TI-83 Plus Calculator

6 Answers


You can't simply enter 7x+9=30 into the calculator, there is a way to calculate what the x is but its been a few years since I've done these..

Oct 03, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

Hi i have a ti 83 and everytime i input just small stuff like addding and subtracting the answer shows up with the answer and e0. not always the right answer. say 376-217.3 158.7E0 is the answer i...

Your calculator is set to display results in engineering notation, where the exponent is always a multiple of three. To change the display notation, press the MODE button. Use the arrow keys to make your selection. You probably want to highlight "Normal" on the top line, press ENTER, highlight "Float" on the second line, press ENTER. Press 2ND [QUIT] to exit the mode screen.

You can download the manual from the manufacturer's web site at$book-eng.pdf

Mar 31, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

There are no grid lines when i push graph on my TI-83 Plus.

If you mean the axes, execute the AxesOn command from the catalog. Press 2nd [CATALOG], use the up/down arrows to get to the AxesOn line, press ENTER twice. If you still don't see the axes, check the window range (press WINDOW) to make sure the range includes zero.

Or do you want some other type of grid lines?

Feb 26, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

I can't get my TI-83 Plus to stop providing answers in scientific form.

Press MODE to bring up the mode screen. Highlight "NORMAL" on the first line and press ENTER. On the second line highlight either "FLOAT" or the number of digits you want to the right of the decimal point and press ENTER. Press 2ND [QUIT] to exit the mode screen.

Be aware that if the answer cannot be displayed in twelve digits or if the magnitude is less than .001 then the calculator will always display the value in scientific notation.

Jan 13, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

My up arrow doesn't work,so that I can scroll to my previous problems. Also, every time I press enter a grid pops up. After every answer, I have to press quit for the lines or (grid) to disappear.

Sounds like you have multiple issues concerning your keypad. You may have to remove the screws from the back of the calculator and clean your connectors behind the BLUE arrow keys and then re-install the back and ty to complete a function that requires the use of the arrows. If the function still does not work, you may have to purches a new calculator. Walmart is selling the TI at relatively low prices or you may find a college book store that will also have new and used TI series on hand.

Oct 24, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I ask my TI-83 Plus to calculate (-64)^(3/2) The TI-83 Plus says the answer is -512i, but I think the answer should be 512i. Is the calculator wrong or am I?

You're both right, in a way. (-64)^3 is -262144. The square root of that is +/- 512i. Take your choice as to the sign.

For what it's worth, the TI-84, TI-86, TI-89, and the HP 50g all go with the negative value.

Jan 24, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I accidentally pressed the 2nd button and then the left side arrow button and now I have this black grid on my screen that I cant figure out how to get rid of if I tilt the screen I can see what I'm trying...

Displaying the grid on the screen is a graphing option accessed through the command GridOn. To turn the grid off, press [2nd][ZOOM] (FORMAT). Use down arrow to reach the 3rd line. Highlight GridOff and press [ENTER]. Press Graph to return to the graph screen.

How you activated the GridOn command by a single press of a button is a prowess. I wish you could teach me this legerdemain.

Hope it helps.

Nov 05, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Whenever i try to link my calculator with other ones it always says error in xmit. no matter what i do

Read the following answer from the TI Knowledge Base.
Hope it helps.

How can I troubleshoot an Error in Xmit error message when transferring data between two graphing calculators?

The Error in Xmit error message is returned when a connection cannot be established between two calculators when attempting to transfer data. There are several factors that can contribute to this error message.
• The calculators being connected are not compatible for data transfer.
• The data cable is not firmly connected to both units.
• The receiving calculator is not in receive mode.
• The I/O port on one of the graphing calculators is damaged.
The procedure for connecting two graphing calculators is as follows:

• Connect the data cable to the I/O port of each unit. The cable will fit tightly in the I/O port and snap into place. If silver from the cable is visible, the cable is not properly connected.
• Access the Link menu on each unit
• Place the receiving graphing calculator on "Receive"
• Place the sending unit on "Transmit" or "Send" from the Link menu.

Once the data has been selected, the transfer will commence accordingly.

The data transfer protocols for graphing calculator is as follows:

• TI-73 - Link allows data sharing with another TI-73, TI-82, TI-83, and TI-83 Plus.
• TI-82 - Link allows data sharing with another TI-82.
• TI-83 - Link allows data sharing with the TI-82, TI-83 family calculator, and TI-84 Plus family calculator.
• TI-83 Plus/TI-84 Plus family- Link allows data sharing with another TI-82, TI-83 family calculator, and TI-84 Plus family calculator.
• TI-85 - Link allows data sharing with another TI-85(To a TI-86. Not From a TI-86).
• TI-86 - Link allows data sharing with another TI-86 and from a TI-85 to a TI-86.
• TI-89 family- Link allows data sharing with another TI-89 family calculator and from a TI-92 family calculator.
• TI-92 family- Link allows data sharing with another TI-92 family calculator and from a TI-89 family calculator.
• Voyage™ 200 - Link allows data sharing with another Voyage 200 and TI-92 family calculator.

If the cable does not fit properly into the I/O port, or if the I/O port appears to be damaged (broken or separated plastic, obstruction inside the port), call 1-800-TI-CARES (1-800-842-2737) M-TH 8:00 AM - 7:00 PM FRI 10:00 AM - 7:00 PM Central Standard Time to speak to a representative or sending an email to

Oct 22, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers

TI-83 Plus Went Dead

Has it been dropped recently? The screen may have cracked from impact. Press the Reset button on the back using a ball point pen.

Nov 16, 2008 | Texas Instruments TI-84 Plus Silver...

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