How to Download and Install Applications for the TI-84 Plus
- Go to the Texas Instruments website.
- In the Know What You're Looking For?
- Click the link that matches type of calculator you have.
- Click the link for the application you want to download.
- Click Download Instructions and read the instructions on how to download applications.
- Click the Guidebook to download it.
Color options for various features are accessed via a spinner menu. With the cursor on a color selection for a feature, use the | or ~ to change the color. When the cursor is on any spinner menu, the context help in the status bar frequently displays the hint: PRESS [<] OR [>] TO SELECT AN OPTION.
Ti-84 Plus Graphing Calculator For Dummies, 2nd Edition
- To create a new program using the Program editor, press. This is illustrated in the first screen.
- Give your program a name and then press [ENTER].
- Enter your program in the Program editor.
- Press [2nd][MODE] when you're finished writing your program.
A linear algebraic equation is nice and simple, containing only constants and variables to the first degree (no exponents or fancy stuff). To solve it, simply use multiplication, division, addition, and subtraction when necessary to isolate the variable and solve for "x". Here's how you do it: 4x + 16 = 25 -3x =
Just press [ALPHA][TRACE] and choose the name of the function you want to insert in your equation. See the first screen. Then, to save time, use the shortcut Y–VAR menu to enter Y2 = –Y1. See the second screen.
With that disclaimer stated, here's how to reset it:
- Press 2nd MEM (that is the second function of the + key)
- Choose 7 (Reset)
- Scroll right so that ALL is selected.
- Press 1.
- Press 2 (Reset, and read the warnings)
Here are the steps to set your graphing window:
- Press [WINDOW] to access the Window editor. See the first screen.
- Enter nMax. Choose a value of nMax that is as large as you might need; try 100.
- Enter the Xmin. Enter Xmin = 0 for an aesthetically pleasing graph.
- Enter the Xmax.
- Enter the Ymin.
- Enter the Ymax.
Turn off the calculator while in test mode. "Re-Press-to-Test" - press and hold down the ~, |, and É keys, and then release. Select OK when you see the Reset Verification Screen.
How to Insert Data Lists on the TI-84 Plus
- If necessary, press [STAT][ENTER] to enter the Stat List editor.
- Use the arrow keys to place the cursor on the column heading where you want your list to appear.
- Press [2nd][DEL] to insert the new column.
- Enter the name of your data list and press [ENTER].
TI-84: Setting Up a Scatter Plot
- Go to [2nd] "STAT PLOT". Make sure that only Plot1 is ON.
- Go to Y1 and [Clear] any functions.
- Go to [STAT] [EDIT]. Enter your data in L1 and L2.
- Then go to [ZOOM] "9: ZoomStat" to see the scatter plot in a "friendly window".
- Press [TRACE] and the arrow keys to view each data point.
The Restore tool can be accessed by clicking the Restore icon on the TI Connect Home screen. When the Restore icon is clicked, a window opens, prompting you to select the location where the Backup data was saved on your computer.
Here are the steps to set your graphing window:
- Press [WINDOW] to access the Window editor. See the first screen.
- Enter nMax. Choose a value of nMax that is as large as you might need; try 100.
- Enter the Xmin. Enter Xmin = 0 for an aesthetically pleasing graph.
- Enter the Xmax.
- Enter the Ymin.
- Enter the Ymax.
Using the TI-84 arrow keys
These keys are in a circular pattern in the upper-right corner of the keyboard. As expected, the right arrow moves the cursor to the right, the left arrow moves it to the left, and so on.The comma button is located underneath the sin button towards the middle of the graphing calculator.
Create and Save Calculator Programs on the TI-84 Plus
- To create a new program using the Program editor, press. This is illustrated in the first screen.
- Give your program a name and then press [ENTER].
- Enter your program in the Program editor.
- Press [2nd][MODE] when you're finished writing your program.
