Working With Graphs; Using Colour On The Ti-84 Plus Ce - Texas Instruments TI-84 Plus CE Getting Started

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 Colour on the TI-84 Plus CE

The TI-84 Plus CE graphing calculator has many colour options and a high resolution
display that allows more information to be shown on the screen. The TI-84 Plus CE
uses colour in the following ways:
• Y= editor for line colour.
• DRAW commands for line colour, such as vertical lines, circles and text on the
graph screen.
• The graph format screen for grid, axes or border colour and applying a background
image or colour.
• Statistical Plots.
Colour options for various features are accessed via a spinner menu. With the cursor on
a colour selection for a feature, use the | or ~ to change the colour. When the cursor
is on any spinner menu, the context help in the status bar frequently displays the hint:
PRESS [<] OR [>] TO SELECT AN OPTION.
Take care to choose appropriate colour combinations for the graph areas so that
Note:
all features are visible.
Resetting Colour Options to Default
• With the cursor on a function in [Y=], press ' ' to return to the default
colour and line style for that function.
• You can reset the calculator to its default settings, including colour settings, by
pressing y L 7 2 2 .
Using Colour 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 colour in the Y= editor:
34 Working with Graphs