Casio fx-9860G SD User Manual page 496

eActivity
An eActivity is both a documentation tool and a student notebook.
As a documentation tool, a teacher can create electronic examples
and practice problems with accompanying text, mathematical
expressions, graphs, and tables.
eActivities also provide the student the means to explore problems,
document their learning and problem solving by entering notes, and
share their learning by saving their work to a file.
10-1 eActivity Overview
10-2 Working with eActivity Files
10-3 Inputting and Editing eActivity File Data
10-4 Using Matrix Editor and List Editor
10-5 eActivity File Memory Usage Screen
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