Help, TI-83 / Ti-84 is not depicted

It's at 8 o'clock at night. The dinner is over. You sit down looking at a movie or Monday night football – and that's when it happens. . . "Mommmmmmmmm (or Daddddddddddd), my calculator does not work, and tomorrow I have to translate my mathematical homework and will not show my graph."

"This can not be so bad," you think. "I left high school maths myself, I even installed the Quicken Accounting System at my workplace, what a complicated calculator it is?"

Last time you checked your child's TI-83 or TI-84 in August, an office supermarket; at the beginning of a shopping trolley, on top of a pile of three ring binder and notebook papers. She did not look as bad as it is now, but now look closely and have all the keys she has never seen before in the calculator. At the bottom of the screen there is something well known – the normally searchable array of the numeric buttons, and the right is the standard addition, subtraction, multiplication and sharing of keys. But what about the "MODE", "DEL", "STAT", "ZOOM", "TRACE" etc.? What are you going to do? Who would call?


Here are some really simple things; but do not forget that the title of this article is "Help, TI-83 / Ti-84 will not be portrayed", and that's really all about this article.

Graphic buttons

Refer to the top row of the TI-83 / TI-84 calculator buttons. It must be five separate from the other keys; and must have the following tags: The three main problems are the following:


In most cases, when a graph does not appear, there are three reasons:

  1. Graph Function The graph function is not entered correctly or is not entered at all.
  2. Chart Not Enabled The graph function is correct, but the graphic is not turned on.
  3. View Window The function view window is set to poor size or location.
  4. Press [Y=] at the top of the calculator. This will be displayed on the Y = Editor screen. You need to see a screen that looks like this:

    Plot1 Plot2 Plot3

    Y1 = 2X + 1

    Y2 =

    Y3 =

    Y4 =

    Y5 =

    Y6 =

    The term "2X + 1" is just an example, but a kind of expression on the Y = editor screen, not just a bunch of blank "Y =" lines. If all you see is the following, you need to add the following expression:

    Plot1 Plot2 Plot3

    Y1 =

    Y2 =

    Y3 =

    Y4 =

    Y5 = [19659002] Y6 =

    If you really want to try a simple expression to make sure the calculator can draw, use "Y1 = X". This shows a 45-degree line directly through the graph screen

    Check that the graphic function is turned on

    It is possible that the function is not turned on Y = editor screen. This bug is a bit delicious. Look at the "=" sign in the equation you want to draw The "=" sign should be highlighted.

    If not, press the cursor to "=" and press [ENTER] to select it.

    Window must be set to the correct size and location

    If the viewing window is set to the wrong size or location, the calculator can be arranged but not visible on the screen.

    Setting up the viewing window is possible in many ways, but it is simply a reliable method to simply "zoom out" until the curve function is displayed. Press the [ZOOM] button at the top of the calculator. Then press the "3" button to zoom out. Repeat until the curve you want to curve appears. Now you need to know what kind of window you need to use to depict the function. Press the [WINDOW] button at the top of the calculator and adjust the display characteristics, if necessary.

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