1

Hyperlinked table of contents

81.5

2

Adding notes

81.2

3

Bookmarking

80.5

4

Searching within the textbook

80.3

5

Provides links to websites

80.1

6

Copying and pasting

79.0

7

Incorporates videos, figures, diagrams, or images

77.9

8

Highlighting

76.5

9

Printing

71.6

10

Text size control

67.7