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### How to Finding the Points of Intersection

When a graph is displayed in Inequality Graphing on the TI-84 Plus calculator, **Pol-Trace** is one of three options that appear at the bottom of the screen. The [more…]

### Probability Simulation Settings Editor on the TI-84 Plus

The Probability Simulation on the TI-84 Plus application contains four simulators (Tossing Coins, Rolling Dice, Picking Marbles form an urn, and Spinning a Spinner) that work much the same way. Some information [more…]

### How to Simulate Tossing Coins on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus graphing calculator can simulate tossing from one to three coins at a time. It can even toss weighted coins. When tossing only one coin at a time [more…]

### How to Simulate Picking Marbles on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate picking one marble at a time from an urn that contains from two to five different types [more…]

### How to Simulate Spinning Spinners on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate spinning a spinner that is divided into two to eight sections of equal or unequal areas. It will not simulate the spinner landing on [more…]

### How to Simulate Drawing Cards on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate drawing a card from one to three decks of cards. It even allows you to specify whether or not the card is placed back in the deck before [more…]

### Reflect Geometric Objects with the TI-84 Plus

When a geometric object is reflected in a line, that line acts like a mirror — hence the term *reflection* — so the mirror image of the original object appears on the other side of the line. GeoMaster on [more…]

### Dilate Geometric Objects on the TI-84 Plus

The **Dilation** tool in the in the **TRFM** menu on the TI-84 Plus is used to increase or decrease the size of an object by a factor of *k*. When 0 < *k* < 1, the object decreases in size, and when [more…]

### How to Create Accurate Graphs on the TI-84 Plus

The TI-84 Plus graphing calculator can do only what you tell it to do — which doesn’t always produce an accurate graph. Following are the three main causes of inaccurate graphs, and their solutions: [more…]

### How to Start and Quit Transformation Graphing

With the Transformation Graphing application that comes preloaded on the TI-84 Plus family of graphing calculators, you can investigate transformations of a graph without leaving the graphing screen. [more…]

### How to Graph Transformations on the TI-84 Plus

The Transformation Graphing application on the TI-84 Plus graphing calculator graphs transformations in three different ways called *play types:* Play-Pause [more…]

### How to Create a Slide Show on the TI-84 Plus

A slide show allows you to view the graphs of a sequence of transformations of a function. Each picture in the slide show displays one transformation, and you can run your slides in slow or fast motion [more…]

### Rotate Geometric Objects in Cabri Jr. on the TI-84 Plus

You can rotate geometric objects in the Cabri Jr. application on the TI-84 Plus calculator. When a geometric object is rotated, it is rotated about a given point through a given angle. To rotate an already [more…]

### Dilate Geometric Objects in Cabri Jr. on the TI-84 Plus

You can dilate geometric objects in the Cabri Jr. geometry application for the TI-84 Plus calculator. The **Dilation** tool in the in the **F4** **Transformation** [more…]

### How to Create Files in Cabri Jr. on the TI-84 Plus

Some people like to just clear the TI-84 Plus screen of their old work and then start creating their new geometric constructions. Even if you are that sort, you should start fresh by creating a new file [more…]

### How to Save Files in Cabri Jr. on the TI-84 Plus

After creating geometric figures in the Cabri Jr. geometry application on the TI-84 plus calculator, you can save your work to a file using either the [more…]

### How to Use Cabri Jr. Menus on the TI-84 Plus

The Cabri Jr. geometry application on the TI-84 Plus has five menus that are accessed by pressing the Graphing keys (**[Y=]**, **[WINDOW]**, **[ZOOM]**, **[TRACE]**, and [more…]

### Construct Circles in Cabri Jr. on the TI-84 Plus

You can use the Cabri Jr. geometry application on the TI-84 Plus to construct circles. A circle is determined by entering its center and its radius. To construct a circle, follow these steps: [more…]

### Construct Triangles and Quadrilaterals in Cabri Jr.

Three points determine a triangle and four points determine a quadrilateral. So the construction of each is quite similar. To construct a triangle or quadrilateral in the Cabri Jr. geometry application [more…]

### Construct Perpendicular and Parallel Lines in Cabri Jr.

You can construct perpendicular or parallel lines in the Cabri Jr. geometry application on the TI-84 Plus calculator. To construct such lines, you have to start with an already constructed line, segment [more…]

### Move and Reshape Figures in Cabri Jr.

You can move and reshape figures in the Cabri Jr. geometry application for the TI-84 Plus. When you move an object, all other objects associated with that object will also undergo a change. The circle [more…]

### How to Find Length and Distance in Cabri Jr.

You can use the **Appearance** menu in the Cabri Jr. geometry application for the TI-84 Plus calculator to find distance and length of segments. The **D. & Length** [more…]

### How to Determine Area in Cabri Jr. on the TI-84 Plus

In Cabri Jr. on the TI-84 Plus, you can use the **Area** tool in the **Measure** submenu of the **Appearance** menu to find the area of an already constructed circle, triangle, or quadrilateral. [more…]

### Perform Calculations in Cabri Jr. on the TI-84 Plus

Cabri Jr. for the TI-84 Plus graphing calculator is capable of adding, subtracting, multiplying, and dividing any two measurements appearing on the screen. It can also find the square root of a measurement [more…]

### Translate a Geometric Object in Cabri Jr.

When you translate a geometric object, you move it in a given direction for a given distance. To get Cabri Jr. on the TI-84 Plus calculator to do this for you, you use a segment to tell Cabri Jr. the direction [more…]