How to Simulate Rolling Dice on the TI-84 Plus
The Probability Simulation application on the TI-84 Plus calculator can simulate rolling from one to three dice at a time. It can even roll weighted dice. When rolling only one die at a time, the application [more…]
How to Save Probability Simulation Data on the TI-84
The data that appears in any Probability Simulation table on the TI-84 Plus can be saved to lists so that you can, after exiting the application, statistically analyze this data. [more…]
How to Delete and Edit Data on the TI-84 Plus
Sooner or later you’ll have to remove or modify the statistical data that you’ve placed in a data list in the TI-84 Plus calculator. The following list shows you how to do so: [more…]
Common TI-84 Plus Error Messages
No matter how careful you are when using the TI-84 Plus graphing calculator, you probably will receive the occasional error message. Here are the 11 most common error messages you might encounter. [more…]
How to Start and Quit Cabri Jr. on the TI-84 Plus
Because the TI-84 Plus graphing calculator comes equipped with two geometry applications, Cabri Jr. and GeoMaster, you can now do your geometric investigations on the calculator. Granted, the calculator [more…]
How to Open and Delete Files in Cabri Jr. on the TI-84 Plus
To open a Cabri Jr. file previously saved in memory on the TI-84 Plus graphing calculator, press [Y=][5] to select Open from the F1 menu. Repeatedly press [more…]
Construct Lines and Segments in Cabri Jr.
The Cabri Jr. geometry application for the TI-84 Plus calculator offers Create and Construction menus that contain a plethora of tools. With these tools you can do mundane things such as construct lines [more…]
Construct Polygons in Cabri Jr. on the TI-84 Plus
Unfortunately, the Cabri Jr. geometry application for the TI-84 Plus calculator has no tool for constructing polygons having more than four sides. However, you can still construct a polygon having as many [more…]
Construct Perpendicular and Angle Bisectors in Cabri Jr.
In Cabri Jr., a geometry application for the TI-84 Plus calculator, a perpendicular bisector can be constructed to an already existing line, segment, or side of a triangle/polygon. [more…]
Construct a Point on an Object in Cabri Jr.
You can use the Cabri Jr. geometry application on the TI-84 Plus to construct a point so that it becomes part of an existing object. To construct a point on an object, first press [more…]
How to Measure an Angle in Cabri Jr.
For Cabri Jr. on the TI-84 Plus to recognize the existence of an angle, that angle must contain three defining points — the vertex and a point on each side of the angle. Also, Cabri Jr. recognizes a point [more…]
Use the Coord. & Eq. Tool in Cabri Jr.
The Coord. & Eq. tool in the Appearance menu of Cabri Jr. on the TI-84 Plus is used to find the equation of an already constructed line or circle or to find the coordinates of a point appearing on the [more…]
Use TI-Graph Link to Create and Save a TI-84 Program
You can create a program on the computer and then transfer it to your calculator (or vice versa). To do so, you need the TI Connect software, the TI-Graph Link software, and a TI-Graph Link cable to connect [more…]
How to Enter Control Commands in a Program
The Program Control menu on the TI-84 Plus graphing calculator, which houses the control commands, is available only when you’re using the Program editor to create a new program or to edit an existing [more…]
Decision Commands on the TI-84 Plus
The TI-84 Plus graphing calculator can handle three decision commands (If, If . . . Then . . . End, and If . . . Then . . . Else . . . End) in a program. [more…]
The While . . . End Command on the TI-84 Plus
The While . . . End command is one of three looping commands that the The TI-84 Plus graphing calculator can handle. The structure of the While . . . End [more…]
The Repeat . . . End and For . . . End Commands on the TI-84
The While . . . End and Repeat . . . End commands for the TI-84 Plus graphing calculator are similar, but opposite. They are similar because they have the same structure. [more…]
The Goto Command on the TI-84 Plus
The Goto command on the TI-84 Plus calculator is used in conjunction with the Lbl (label) command. The Gotocommand sends the program to the corresponding [more…]
Execute an External Program as a Subroutine on the TI-84
It’s quite easy to have a program call and execute another program saved on your TI-84 Plus calculator, and then return to the original program to complete its execution of that program. [more…]
Input Commands for the TI-84 Plus
The Input and Prompt commands are used in a program on the TI-84 Plus calculator to solicit information from the program user. The Input command asks the user for the value of only one variable and allows [more…]
How to Use a Program to Write Text on the TI-84 Plus
The Disp and Output commands for the TI-84 Plus are used to get a program to display text on the Home screen. Because each line of the Home screen can accommodate up to 16 characters, the wise programmer [more…]
How to Construct a Box Plot on the TI-84 Plus
You can use the TI-84 Plus to create a box plot. A box plot consists of a box-with-whiskers. The box represents the data existing between the first and third quartiles. The box is divided into two parts [more…]
TI Connect Software for the TI-84 Plus
You need two things to enable your TI-84 Plus calculator to communicate with your computer: TI Connect (software) and a TI-Graph Link cable. TI Connect is free; the TI-Graph Link cable came bundled with [more…]
How to Transfer Files between TI-84 Plus and PC
After you’ve connected the TI-84 Plus calculator to your computer, the TI Device Explorer program housed in TI Connect can transfer files between the two devices. This allows you to archive calculator [more…]
How to Link the TI-84 Plus to Other Calculators
You can transfer data lists, programs, matrices, and other such files from one calculator to another if you link the calculators with the unit-to-unit link cable that came with your TI-84 Plus calculator [more…]










