# Assist, My TI-83 / Ti-84 Will not Graph

It is eight o’clock at evening. Dinner is over. You are sitting down to look at a film or Monday Evening Soccer — after which it occurs . . . “Mommmmmmmmm (or Daddddddddddd), my calculator is not working. I’ve to show in my math homework tomorrow, and my graph is not displaying up.”

“This cannot be so dangerous”, you assume. “I handed highschool math. Heck, I even put in the Quicken Accounting System at work. How difficult can a calculator be?”

The final time you checked out your kid’s TI-83 or TI-84 was in August on the workplace superstore; it was within the entrance of a buying cart with on prime of a pile three ring binders and pocket book paper. It did not look so dangerous then, however now you’re taking a better look and there are all types of keys you by no means noticed earlier than on a calculator. On the backside is one thing acquainted — a traditional trying array of quantity keys, and on the proper are the same old add, subtract, multiply, and divide keys. However what the heck are “MODE”, “DEL”, “STAT”, “ZOOM”, “TRACE”, and so on. ? What are you going to do? Who ya gonna name?

Chill out.

Listed here are a few actually easy issues to do; however keep in mind, the title of this text is “Assist, My TI-83 / Ti-84 Will not Graph”, and that’s actually all that’s addressed on this article.

The Graphing Buttons

Take a look at the highest row of buttons on the TI-83/TI-84 calculator. There ought to be 5 of them, set aside from the opposite buttons; and they need to have the next labels:

`      [Y=]   [WINDOW]   [ZOOM]   [TRACE]   [GRAPH]`

That is the place all your exercise goes to happen.

The Three Main Issues

More often than not when a graph shouldn’t be displaying, there are three causes:

1. Graph Perform.The graph operate shouldn’t be entered correctly, or not entered in any respect.
2. Graph Not Turned On. The graph operate is entered correctly, however graphing shouldn’t be turned on.
3. Viewing Window. The viewing window for the operate is about to the incorrect dimension or location.

We are going to cope with these one by one.

Verify that the Graph Perform is Entered Correctly

Push the [Y=] key on the prime of the calculator. This places you into the Y= editor display. You must see a display that appears one thing like this:

Plot1 Plot2 Plot3

Y1= 2X+1

Y2=

Y3=

Y4=

Y5=

Y6=

The expression “2X+1” is simply an instance, however it is advisable to see some type of expression within the Y= editor display, not only a bunch of clean “Y=” strains. If all you see is the next, then it is advisable to add an expression:

Plot1 Plot2 Plot3

Y1=

Y2=

Y3=

Y4=

Y5=

Y6=

If you wish to strive a extremely easy expression to make it possible for the calculator can plot, use “Y1=X”. This could plot a pleasant 45 diploma line straight by the origin of the graph display.

Verify that the Graph Perform is Turned On

It’s attainable that graphing of the operate shouldn’t be turned on within the Y= editor display. This error is a little bit bit refined. Take a look at the “=” signal within the equation you are attempting to plot The “=” signal, have to be highlighted.

If it’s not, you could cursor to the “=” signal and press the [ENTER] key, to focus on it.

Viewing Window have to be Set to Appropriate Measurement and Location

If the viewing window is about to the incorrect dimension or location, the calculator might plot however you will not see it on the display.

There are numerous methods to set the viewing window, however a straightforward dependable methodology is to easily “Zoom Out”, till you see the operate you are attempting to graph. Push the [ZOOM] key on the prime of the calculator. Then push “3” to zoom out. Repeat till you see the operate you are attempting to graph. Now it’s best to have some thought what window it is advisable to use to see the operate plotted. Push the [WINDOW] key on the prime of the calculator and regulate the show traits as vital.