Question about Texas Instruments TI-84 Plus Calculator

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My TI-84 has a weird symbol to the left of Y that will not change.

My TI 84 plus has a weird icon that will not let me switch to inequalities . It looks like a triangle with a rectangle.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: entering inequalities into TI-84 to graph

Then push the graph button finally.

Posted on Feb 28, 2008

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Mattimeo310
  • 30 Answers

SOURCE: My TI-84 Plus gives answer as 2.145274703E14, what Is E?

E is the calculators form of scientific notation. so 2.145274703E14
is really 2.145274703 x 10^14 or 214527470300000

Posted on Apr 15, 2009

  • 8016 Answers

SOURCE: TI-84 Plus problem! please help!!!!

Here are some steps to perform in the order they are presented. Please read the post till the end.

A

  1. Remove one of the AAA batteries.
  2. Press and hold the [CLEAR] key.
  3. While holding [CLEAR], reinsert the AAA battery and then
  4. turn the calculator on.
  5. The calculator should display the message "RAM Cleared".
  6. Release the [CLEAR] key and then press it one more time to remove the message "RAM Cleared".
B.
  1. Remove batteries including the backup battery for 5minutes.
  2. After the 5 minute period, reinsert all of the batteries and
  3. turn the calculator on.
  4. Adjust the contrast if necessary.
To adjust contrast
Press [2nd] key and release it
Press and HOLD the UpArrow to darken screen or downArrow to lighten it.

C.

This step requires the reinstallation of the system. So to use it you must download the TIConnect 1.6 software from education.ti.com. You must have the TI USB SilverLink or the TI Black serial cable ready.You must be connected to the Internet.
  1. Remove one of the AAA batteries.
  2. Press and hold the [DEL] key.
  3. While holding [DEL], reinsert the AAA battery and then
  4. turn the calculator on.
  5. The calculator should display "Waiting...Please install calculator software now".
  6. Connect the TI Connectivity cable between the computer and the calculator.
  7. Click on Start >> Programs >> TI Tools >> TI Connect >> TI OS Downloader.
  8. Follow the on-screen directions to reinstall the calculator's OS.
If the message "Error! Press any key to turn unit off. Then turn unit back on." appears on the graphing calculator, quickly, remove one battery from the calculator and reinstall it while the transfer is taking place.

You have several ways to connect the calculator
  • Serial Black cable that used to ship with the TI 83 Plus. It connects to a serial port on a computer and to the I/O port on the calculator. It requires the Graph Link software available on the TI web site (Downloads, Software and Apps, Connectivity)
  • USB Silver Link cable. It connects a USB port on the computer to the the I/O port on the calculator. It requires the TI connectivity software, also available on the TI Web site.
  • A USB mini A to mini B cable to connect two units.
  • An I/O cable to connect two calculators through their I/O ports.

Posted on Jan 30, 2010

  • 102366 Answers

SOURCE: On the TI-84 Plus, where do I find the

You don't. If you need one of the functions or commands that have a "%" in the name, you'll have to access it from the catalog or a menu. You can't put the percent symbol into a prompt or text string.

Posted on Jul 09, 2010

  • 8016 Answers

SOURCE: I am trying to help

The Transfrm application has been executed previously. It remains in RAM and takes over the graphing duties of the native OS. You must Uninstall Transfrm (that does not mean delete it, just unload it from memory).
To do so,

  1. press the [APPS] button.
  2. Use arrow Up or Down (Up is faster) to reach Transfm.
  3. Select it and press [ENTER].
  4. In the new screen, select the number to the left of the Uninstall option.
  5. Go to draw your graphs. You will be able to draw up to 10 graphs.

Posted on Feb 05, 2011

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1 Answer

On the histogram at the bottom says shades, po-I trace, and ?. How do I turn this off?


There is an APPlication called Inequalz that graphs inequalities. you must have executed it previously and it is still lingering in memory. You must unload it from RAM.
Press the APPS button. find Inequalz in the list of apps highlight it and press ENTER. You will see a screen that display INEQUAL RUNNING. Press 2:Quit Inequal. It will be unloaded from memory.

Jun 14, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Why does My Y equals column will has triangles next to it and will not let me select more than one function to graph


you have an app turned on for graphing inequalities. Hit App, I am not sure what it is called, something to do with inequalities. Turn that off and your y= will be fine.

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

1 Answer

Im trying to graph inequalities on my ti 84 plus, and it keeps saying ERR:INVALID DIM. how do i fix it?


Try deactivating the Statistica plots.
Press [2nd][Y=] to enter Stat Plots. Press the PlotsOff menu option.

Sep 21, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I want to graph an inequality but when i got to apps all it shows up is only finance


You don't need an app. Just press the Y= button and enter the inequality as if you're entering another function to be graphed. Then press left-arrow repeatedly to move to the diagonal line at the left end of the display. Press ENTER repeatedly to cycle through the different graph styles. If the inequality is of the form "y less than" or "y less than or equal to", select the shaded triangle below the line. If the inequality is of the form "y greater than" or "y greater than or equal to", select the shaded triangle above the line.

Jun 10, 2011 | Texas Instruments TI-84 Plus Calculator

2 Answers

How to use texas instruments ti-84 plus to plot inequality 4x+8y<40?


First step is to find inequality in the form y<f(x), in this case y<5-0.5x. Then graphing it. See captured image


3_3_2012_6_59_43_pm.jpg

Feb 18, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

I just purchased my TI-84 Plus Silver Edition calculator. Looking through the booklet it does not tell how/where to install the batteries. Can you tell me where the batteries go?thank you p.r. Pease


Put the slide cover on the face of the calculator to prevent pushing buttons inadvertently.<br />Turn calculator to have its back towards you.<br />From about the middle of the length of the calculator to the bottom, there is a rectangle rounded at the bottom. That is the battery compartment cover.<br />Atop the rectangle there is a latch about 2 cm long. Gently, with one finger, push the latch downwards and pull towards you ll the latch downwar<br /> <!-- from fixya rte -->

Jul 16, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

It says invalid dim when try to plot and in window it has shaderes=3 or something like that. And also it shows inequalities at the bottom and some ****.


Hi,
You are running the application called Inequalz. It can be used to plot inequality graphs. You must uninstall it (NOT DELETE) to return to the normal calculator configuration.
Press [APPS]. Scroll down to find Inequalz. Highlight its number in the list and press {ENTER]. You will see a screen Inequal Running and
  1. Continue
  2. Quit Inequal
  3. 3:About.
Press [2:Quit ..]
Your calculator will unload it out of memory.
Reset the RAM and restart the graphs.

Hope it helps.

Dec 04, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

How would you enter the following equation to graph on a TI-84 Plus Silver Edition calculator? 2 <= t <= 9


Hello,
To enter the inequation you split it into two inequalities
9919eed.jpg
Graph is as follows
45078e2.jpg
Use [2nd][CATALOG] to access the relaional operators less than or equal, greater than or equal, and the operator AND.
To access the inequality signs scroll upwards from abs( to reach the bottom of the catalog.
Note: You can use t as variable only in parametric graphs. Use x.
Hope it helps.

Oct 19, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

HELP!!


Arrow to the left of the Y= until you have highlighted the triangle, and press enter until you see what you are looking for. The triangle you are referring to is probably to graph an inequality and I think you are looking for a regular line.

Jan 28, 2008 | Texas Instruments TI-84 Plus Calculator

2 Answers

Entering inequalities into TI-84 to graph


I think you should get a Texas Instruments calculator and push the 'y=' button then put the equation like '2x+4' in the y1 area. You can put the X by using the variable botton. I hope my english makes sense I am not a native speaker.

Jan 19, 2008 | Texas Instruments TI-84 Plus Calculator

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