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Versioning History

This page provides a record of edits and changes made to this book since its initial publication in the B.C. Open Textbook Collection. Whenever edits or updates are made, we make the required changes in the text and provide a record and description of those changes here. If the change is minor, the version number increases by 0.1. However, if the edits involve substantial updates, the version number goes up to the next full number. The files on our website always reflect the most recent version.

If you find an error in this book, please fill out the Report an Open Textbook Error form.

Version Date Change Details
1.1 September 8, 2014 Book published in the B.C. Open Textbook Collection.
1.2 August 8, 2018 Figure 1.1 replaced in Chapter 1: Introduction. The y-axis in Figure 1.1 went up at an inconsistent rate and contained errors. The graph was recreated based on source data to fix those errors. Attribution information for this figure was also updated.


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