It is eight o’clock at night time. Dinner is over. You are sitting down to look at a film or Monday Night time 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 unhealthy”, 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 purchasing cart with on prime of a pile three ring binders and pocket book paper. It did not look so unhealthy then, however now you’re taking a better look and there are every kind 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 standard 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?
Listed below are a few actually easy issues to do; however bear 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 needs to be 5 of them, set other than the opposite buttons; and they need to have the next labels:
[Y=] [WINDOW] [ZOOM] [TRACE] [GRAPH]
That is the place your whole exercise goes to happen.
The Three Main Issues
More often than not when a graph shouldn’t be displaying, there are three causes:
- Graph Perform.The graph perform shouldn’t be entered correctly, or not entered in any respect.
- Graph Not Turned On. The graph perform is entered correctly, however graphing shouldn’t be turned on.
- Viewing Window. The viewing window for the perform is about to the unsuitable measurement or location.
We’ll take care of 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 screen. It’s best to see a display screen that appears one thing like this:
Plot1 Plot2 Plot3
The expression “2X+1” is simply an instance, however it is advisable to see some type of expression within the Y= editor display screen, not only a bunch of clean “Y=” traces. If all you see is the next, then it is advisable to add an expression:
Plot1 Plot2 Plot3
If you wish to strive a very easy expression to ensure that the calculator can plot, use “Y1=X”. This could plot a pleasant 45 diploma line straight via the origin of the graph display screen.
Verify that the Graph Perform is Turned On
It’s attainable that graphing of the perform shouldn’t be turned on within the Y= editor display screen. This error is a bit of 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 unsuitable measurement or location, the calculator might plot however you will not see it on the display screen.
There are lots of methods to set the viewing window, however a straightforward dependable technique is to easily “Zoom Out”, till you see the perform you are attempting to graph. Push the [ZOOM] key on the prime of the calculator. Then push “three” to zoom out. Repeat till you see the perform you are attempting to graph. Now it’s best to have some concept what window it is advisable to use to see the perform plotted. Push the [WINDOW] key on the prime of the calculator and regulate the show traits as obligatory.