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Graphing Calculators

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How to Create User-Named Data Lists on the TI-84 Plus

You can name your own data lists in the TI-84 Plus calculator by using the Stat List editor. To name a data list in the Stat List editor, follow these steps: [more…]

How to Construct Histograms on the TI-84 Plus

You can use the TI-84 Plus to create histograms. The most common plots used to graph one-variable data are histograms and box plots. In a histogram, the data is grouped into classes of equal size; a bar [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 Find the Value of a Function on the TI-84 Plus

When you trace the graph of a function on the TI-84 Plus graphing calculator, the trace cursor doesn’t hit every point on the graph. So tracing is not a reliable way of finding the value of a function [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…]

How to Start and Quit Inequality Graphing on the TI-84 Plus

With the Inequality Graphing application that comes preloaded on the TI-84 Plus family of graphing calculators, you can graph functions and inequalities. You can even graph and shade regions formed by [more…]

How to Enter Inequalities in the Y= Editor

The Inequality Graphing application on the TI-84 Plus graphing calculator can graph certain functions and inequalities defined in the Y= editor. These functions and inequalities are in the form [more…]

How to Enter Inequalities in the X= Editor

The Inequality Graphing application on the TI-84 Plus can graph equalities and inequalities defined in the X= editor and in the following forms, provided that N is a number: [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 a Menu on the TI-84 Plus

The Menu command on the TI-84 Plus graphing calculator is a glorified Goto command. It allows the program user to select an item from a menu, and then have the program execute the commands that are specific [more…]

How to Stop and Pause a Program on the TI-84 Plus

To stop a program on the TI-84 Plus graphing calculator while the program is executing, press [ON]. You are then confronted with the ERR: BREAK error message that gives you the option to [more…]

How to Plot Two-Variable Data on the TI-84 Plus

You can use the TI-84 to construct scatter plots and xy-line plots. The most common plots used to graph two-variable data sets are the scatter plot and the [more…]

How to Trace Statistical Data Plots on the TI-84

Before tracing a statistical data plot, press [2nd][ZOOM]and, if necessary, highlight the CoordOn in the second line of the Format menu and highlight ExprOn [more…]

How to Analyze Statistical Data on the TI-84

The TI-84 Plus calculator can perform one- and two-variable statistical data analysis. For one-variable data analysis, the statistical data variable is denoted by [more…]

Regression Modeling on the TI-84 Plus

You can use the TI-84 Plus for regression modeling, which is the process of finding a function that approximates the relationship between the two variables in two data lists. Following are the types of [more…]

How to Transfer Files between the TI-84 Plus and Other Calculators

You can transfer files between your TI-84 Plus and another TI-84, TI-83 Plus, or TI-83 Plus Silver Edition. After connecting two calculators, you can transfer files from one calculator [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…]

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