[BlindMath] Accessible Math formulas in Blackboard

Wed Nov 13 19:06:21 UTC 2019

Hi Derek,

We usually provide blind students their Math textbooks and class materials, assignments, exams etc. in Braille, if they are Braille users. If not, they would use the material from within Blackboard. For some reason, when the eLearning designer creates the formulas using MathML, the system hangs when I try to access the MathML with Jaws, so, if the formulas I provided below read well, I think this is the way we are going to go.

Thanks for your feedback.

Russell

-----Original Message-----
From: BlindMath <blindmath-bounces at nfbnet.org> On Behalf Of Derek Scott Riemer via BlindMath
Sent: Saturday, November 9, 2019 4:06 PM
To: Blind Math list for those interested in mathematics <blindmath at nfbnet.org>
Cc: Derek Scott Riemer <Derek.Riemer at colorado.edu>
Subject: Re: [BlindMath] Accessible Math formulas in Blackboard

It's better than nothing, but can it do mathml? Not having math in braille is a huge disadvantage.

On Thu, Nov 7, 2019 at 3:48 PM Emily Schlenker via BlindMath < blindmath at nfbnet.org> wrote:

> Well, voice over read it very well! I am not sure on PC, I will have 
> to fire up the laptop.
>
> Sent from my iPhone
>
> > On Nov 7, 2019, at 4:31 PM, Russell Solowoniuk via BlindMath <
> blindmath at nfbnet.org> wrote:
> >
> > Hi all,
> >
> > I'm working with one of our eLearning specialists. They are trying 
> > to
> make their STATS 151 Blackboard course more accessible. In the past 
> they were pasting screenshots of the formulas into the course, which 
> isn't at all accessible.
> >
> > Now they are using the built-in Blackboard equations editor. The 
> > formula
> still goes in as a graphic, but the actual formula is placed into the 
> alt text for that image. Below is an example, and I wonder if anyone 
> familiar with Math can check this to see if it would be considered 
> accessible? I read in a few places that this method is acceptable.
> >
> > Descriptive Measures for Population and Sample
> >
> > Population mean
> >
> > [mu equals fraction numerator sum for blank of x subscript i over
> denominator N end fraction]
> >
> > Population mean
> > [mu equals fraction numerator sum x subscript i over denominator N 
> > end
> fraction]
> >
> > Population standard deviation
> > [sigma equals square root of fraction numerator sum for blank of 
> > left
> parenthesis x subscript i minus mu right parenthesis squared over 
> denominator N end fraction end root]
> >
> > =
> > [square root of fraction numerator sum for blank of x subscript i
> squared over denominator N end fraction minus mu squared end root]
> >
> > [x with bar on top equals fraction numerator sum for blank of x
> subscript i over denominator n end fraction]
> >
> > There's more to this formula, but just want to see what you all think.
> For some reason whenever there is a "Sum" in the formula the alt text 
> "for blank of" follows the "sum" in the formula. They may be able to 
> write a script for the "sum" symbol that eliminates "for blank of".
> >
> > Thanks for any feedback.
> >
> > Russell
> >
> >
> >
> > Russell Solowoniuk
> > AT Educational Assistant, Services to Students with Disabilities 
> > MacEwan University
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-- 

Derek Riemer: Improving the world one byte at a time!

   - University of Colorado Boulder Department of computer science, 4th
   year undergraduate student.
   - Accessibility enthusiast.
   - Proud user of the NVDA screen reader.
   - Open source enthusiast.
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