MathPlayer versions

v4.0 [Feb 27, 2016]
Enhanced speech, including a new classroom-friendly speech style developed as part of a Dept of Ed IES grant: "Clear Speak"
Support of navigating expressions:
Three modes of navigation for flexibility, including a novel enhanced mode of navigation that infers the structure of the math.
Support for reading or overviews.
Support for placemarkers so that important parts of an equation can be remembered and spoken or moved to quickly.
Support for speaking Chemical formulas either "spelled out" (e.g., "C O 2") or as compounds (e.g., "carbon dioxide").

v4.0 [Mar 5, 2015]
Works with assistive technology products
Includes many speech customizations
Support for navigating mathematical expressions with many options
Speaks chemical formulas either "spelled-out" (e.g., "C O 2") or as compounds (e.g., carbon dioxide)
Continues to support both visual rendering and math speech in Internet Explorer.

v3.0 [Nov 18, 2011]
1.Improved support for Microsoft Internet Explorer 9
2.MathML 3 Support, in particular:
Full support for line breaking and indentation
Elementary math support (2D addition, subtraction, multiplication; long division; repeating decimals)
Bi-directional support
Changes to mpadded
Support for new attributes
3.Better support for MathJax
4.Major improvement to math speech:
Multi-language support
Multiple speech styles (ways of speaking an expression)
Multiple target audiences (blind, low-vision, learning disabilities)
Subject area-specific speech rules (geometry, probability & statistics, calculus)

v2.2 [Feb 4, 2010]
Significantly improved font handling and rendering: Improved support for STIX, Cambria, and other Unicode fonts. Improvements for anti-aliased rendering. Better protection against fonts that contain errors in their tables. More characters are displayed.