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Subscript and superscript notation and mathml

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From: Karen Sorensen
Date: May 13, 2016 2:14PM

Hi -
I have been under the impression that subscript and superscript math and
science notation (ie, exponents) had to be in MathML to be accessible. Is
that true? I understand that if the number with the exponent is in an
equation, it should be in MathML, but if there is just a number with an
exponent, does it have to be in MathML for a screen reader to read it
accurately?
Thank you for your advice.
Best,
Karen
Karen M. Sorensen
Accessibility Advocate for Online Courses
www.pcc.edu/access
Portland Community College
971-722-4720
Twitter: @ksorensun