Accessibility Information

We believe that education must be available to everyone which means supporting the creation of free, open, and accessible educational resources. We are actively committed to increasing the accessibility and usability of the textbooks we produce.

Accessibility features of the web version of this resource

The web version of this resource has been designed with accessibility in mind by incorporating the following features:

  • It has been optimized for people who use screen-reader technology.
    • all content can be navigated using a keyboard
    • links, headings, and tables are formatted to work with screen readers
    • images have alt tags
  • Information is not conveyed by colour alone.

Other file formats available

In addition to the web version, this book is available in a number of file formats including PDF, EPUB (for eReaders), and various editable files. Choose from the selection of available file types from the  ‘Download this book’ drop-down menu.  This option appears below the book cover image on the eBook’s landing page. 

Third-Party Content

In some cases, our open text includes third-party content. In these cases, it is often not possible to ensure accessibility of this content.

Accessibility Improvements

While we strive to ensure that this resource is as accessible and usable as possible, we might not always get it right. We are always looking for ways to make our resources more accessible. If you have problems accessing this resource, please contact to let us know so we can fix the issue.


Category Item Status
(Y / N)
Organising Content Content is organised under headings and subheadings Y
Organising Content Headings and subheadings are used sequentially (e.g. Heading 1, Heading 2, etc.) Y
Images Images that convey information include Alternative Text (alt-text) descriptions of the image’s content or function Y
Images Graphs, charts, and maps also include contextual or supporting details in the text surrounding the image Y
Images Images, diagrams, or charts do not rely only on colour to convey important information Y
Images Images that are purely decorative contain empty alternative text descriptions. (Descriptive text is unnecessary if the image doesn’t convey contextual content information) Y
Tables Tables include column headers, and row headers where appropriate Y
Tables Tables include a title or caption Y
Tables Tables do not have merged or split cells Y
Tables Tables have adequate cell padding Y
Weblinks The weblink is meaningful in context, and does not use generic text such as “click here” or “read more” Y
Weblinks Externals weblinks open in a new tab. Internal weblink do not open in a new tab. Y
Weblinks If a link will open or download a file (like a PDF or Excel file), a textual reference is included in the link information (e.g. ‘[PDF]’). N/A
Embedded Multimedia A transcript has been made available for a multimedia resource that includes audio narration or instruction Y
Embedded Multimedia Captions of all speech content and relevant non-speech content are included in the multimedia resource that includes audio synchronized with a video presentation Y
Embedded Multimedia Audio descriptions of contextual visuals (graphs, charts, etc.) are included in the multimedia resource N
Formulas Formulas have been created using MathML N, Formulas have been created using LaTeX.
Formulas Formulas are images with alternative text descriptions, if MathML is not an option N/A
Font Size Font size is 12 point or higher for body text Y
Font Size Font size is 9 point for footnotes or endnotes Y
Font Size Font size can be zoomed to 200% Y


Copyright Note: This accessibility disclaimer is adapted from BCampus’s Accessibility Toolkit, licensed under a Creative Commons Attribution 4.0 International license and University of Southern Queensland’s Enhancing Inclusion, Diversity, Equity and Accessibility (IDEA) in Open Educational Resources (OER) licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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