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Graphing Calculators

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Start GeoMaster on the TI-84 Plus Calculator

When you start the geometry application GeoMaster on the TI-84 Plus calculator, you see the version number on the screen. If that number is smaller than 1.10 for GeoMaster, check out [more…]

Create and Save GeoMaster Files on the TI-84 Plus

You can create a GeoMaster file in two ways on the TI-84 Plus calculator. If the GeoMaster screen is empty, just start creating your geometric figures. If the GeoMaster screen is not empty, select [more…]

GeoMaster Menus on the TI-84 Plus Calculator

When you enter GeoMaster, the Menu bar appears at the bottom of the Ti-84 Plus calculator screen. If you are re-entering the application after it has been running in the background, press [more…]

Construct Lines, Segments, Rays, and Vectors on the TI-84 Plus

Because two points determine a line, segment, ray, or vector, the directions for creating these objects with GeoMaster on the TI-84 Plus graphing calculator are much the same. To construct such objects [more…]

Construct Circles with GeoMaster on the TI-84 Plus

A circle is determined by its center and its radius. The GeoMaster DRAW menu contains a plethora of tools that enable you to do mundane things such as construct lines, segments, triangles, polygons, and [more…]

Construct Triangles and Arcs with GeoMaster on the TI-84 Plus

A triangle and an arc are determined by three points, so their construction is much the same. The GeoMaster DRAW menu on the TI-84 Plus calculator offers tools that enable you to construct triangles, arcs [more…]

Construct Irregular Polygons with TI-84 Plus GeoMaster

You can use the GeoMaster DRAW menu on the TI-84 Plus graphing calculator to create irregular and regular polygons, circles, triangles, and many other basic geometric shapes. To create an irregular polygon [more…]

Construct Regular Polygons with TI-84 Plus GeoMaster

A regular polygon is determined by its center and the number of its sides. You can use the GeoMaster DRAW menu on the TI-84 Plus graphing calculator to create regular and irregular polygons, circles, triangles [more…]

Construct Perpendicular and Parallel Lines with GeoMaster

To construct perpendicular or parallel lines with GeoMaster on the TI-84 Plus graphing calculator, you have to start with an already constructed line, segment, ray, vector, or side of a polygon or triangle [more…]

How to Move Figures with GeoMaster on the TI-84 Plus

When you move an object in GeoMaster on the TI-84 Plus, all other objects associated with that object will also undergo a change. To reshape a polygon or triangle, move one or more of its vertices. To [more…]

Hide and Delete Objects with GeoMaster on the TI-84 Plus

There is a big difference between hiding and deleting an object in GeoMaster on the TI-84 Plus graphing calculator. If you hide an object, you can, if you so choose, bring it back in view at a later time [more…]

Find Length and Distance with GeoMaster

The Distance/Length tool in the MEAS menu in GeoMaster on the TI-84 Plus graphing calculator is used to find the distance between two points, the length of a segment or vector, the circumference of a circle [more…]

Find the Area with GeoMaster on the TI-84 Plus

GeoMaster on the TI-84 Plus graphing calculator can find the area of any circle, triangle, or simple polygon constructed using the Circle, Triangle, Polygon [more…]

Find the Area of a Polygon Having Intersecting Sides

GeoMaster on the TI-84 Plus calculator can help you find the area of a polygon having intersecting sides. To find the area of a polygon having intersecting sides, break the polygon down into simple polygons [more…]

How to Graph Inequalities on the TI-84 Plus

As with functions, if the inequality sign in the definition of the inequality is highlighted in Inequality Graphing on the TI-84 Plus, then that inequality will be graphed; if it isn’t highlighted, it [more…]

How to Shade Graph Unions and Intersections

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

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…]

How to Enter Statistical Data in the TI-84 Plus

What you use to enter statistical data into the TI-84 Plus calculator is the Stat List editor — a relatively large spreadsheet that can accommodate up to 20 columns [more…]

Save and Recall Data Lists in the TI-84 Plus

Saving your data lists in the TI-84 Plus calculator is the first step in the direction of calling them up again when you want to use or change them. The following list shows you how to do so: [more…]

How to Sort Data Lists on the TI-84 Plus

The TI-84 Plus graphing calculator has many features that provide information about the data that has been entered in the calculator. You will accumulate a lot of data and will need to be able to sort [more…]

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