Rule ID 
Image 7 
Conformance 
Required 
Definition 
Mathematical expressions should use MathJax instead of bitmapped images. 
Purpose 
 Images used to convey mathematical expressions are not accessible to people with disabilities using assistive technologies.
 MathML is a W3C standard for representing mathematical expressions for web technologies and is the most accessible web math format for people using assistive technologies.
 MathML has capabilities similar to SVG graphics, providing the abilities to resize and style content without the loss of fidelity of the visual rendering to match the capabilities of people with visual impairments.

Conformance 
Required 
WCAG Success Criteria 
Success Criterion 1.1.1 Nontext Content
Other Related Success Criterion:

Rule Category 
Images 
Rule Scope 
Element 
Techniques 
 Use MathML to represent the mathematical expressions.
 Use MathJax to support MathML rendering in a wide range of browsers with and without native support for rendering MathML.
 Design Science MathPlayer is a universal math reader that now enables math to be spoken in many assistive technology products.

Information Links 
