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Working with Graphs
This section covers how to change color options on a graph, how to draw points on a
graph, and how to insert an image as a background on a graph.
Using Color on the TI-84 Plus CE
The TI-84PlusCE graphing calculator has many color options and a high resolution
display that allows more information to be shown on the screen. The TI-84PlusCE
uses color in the following ways:
• Y= editor for line color.
• DRAW commands for line color, such as vertical lines, circles, and text on the graph
screen.
• The graph format screen for grid, axes, or border color, and applying a background
image or color.
• Statistical Plots.
The color options are selected using a spinner, which can contain various options
depending on the feature. Press | and ~ to scroll through the color options to set a
color.
Note: Take care to choose appropriate color combinations for the graph areas so that
all features are visible.
▶ You can reset the calculator to its default settings, including color settings, by
pressing y L 722.
Using Color on the Graph Screen
The examples below show how to set up the graph of a function. Here, the mode is set
to FUNCTION and the default settings are assumed.
Enter an equation in the Y= editor.
1. Press o.
2. Press k „ ¡ Ã 6.
To set the line color in the Y= editor:
Working with Graphs 31
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