
3. Double-click the file named 02_DiffEQ_Examples-(eActivity).xcp.
4. Explore the different forms of differential equations.
Part II: An Introduction to Creating eActivities
As an introduction, we will use the eActivity application to review parametric equations in 2-
and 3-dimensional space and then save the file.
1. Select File/New to clear the eActivity window.
2. Consider the different types of lines in an eActivity:
A text line begins as an empty line and the toolbar shows the button.
A math line begins with a small box ( ) and the toolbar shows the button.
An application line is a long box (strip) with an icon to the far right to expand or
minimize the window.
3. To begin, type the following into eActivity using the computer keyboard:
4. Open the Insert menu and select Strip/Graph Editor. When the window opens, change
the graph type to parametric.
5. Select the cos(t) and then sin(t) and drag each to the Graph Editor window.
Just select, release, press and drag.
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