This app, "SAS course: Data Steps", is one of a series of SAS course eBooks, illustrated by code samples which can be sent by email directly from the app. It is designed to encourage users to contribute topics some of which will be included in future versions of the app. There are controls to select specific topics, move to the previous or next topic, decrease or increase the font to suit the user's preference, and send emails requesting topics not yet included in that version of the eBook.

The topics included are:

1. Introduction
2. About the Author: Philip R Holland
3. [B1] How does a Data Step work?
4. [B2] IF THEN ELSE, SELECT WHEN OTHERWISE & WHERE
5. [B3] DO loops
6. [B4] Numeric functions
7. [B5] Character functions
8. [B6] Date & time values and functions
9. [B7.1] Formats & informats - Introduction
10. [B7.2] Formats & informats - Dates and times
11. [B8] Output SAS data sets
12. [B9] Merging data sets
13. [B10.1] FILE & PUT statements - Introduction
14. [B10.2] FILE & PUT statements - Creating and updating files
15. [B10.3] FILE & PUT statements - Columns, lines and pages
16. [B11] Errors and debugging