Setting and Getting Math Speech, Braille, UnicodeMath, LaTeX…

This post augments the post Inserting and Getting Math Text in RichEdit by documenting the RichEdit options for ITextRange2::SetText2(options, bstr) and ITextRange2::GetText2(options, pbstr) including those for math speech and math braille. As such, this post is for programmers. But more generally, it reveals that RichEdit supports Nemeth math braille (!). All options work in the…

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Recognizing LaTeX Input in UnicodeMath Input Mode

In offering a LaTeX math input mode, we’ve run into the problem that a user might type some LaTeX while the UnicodeMath input mode is active and get something unintended and confusing. This post reveals ways in which the build-up engine can recognize this situation and maybe cue the user to switch to the LaTeX…

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LaTeX Math in Office

For a while now it’s been possible to switch Word’s math input mode from UnicodeMath to LaTeX. We didn’t advertise this highly requested feature since it needed more work. I wrote the original conversion routines back in Fall, 2007 and used them in preparing PowerPoint physics presentations since they’re handy for copying equations from Wikipedia…

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Math Braille UI

For sighted users, Microsoft Office applications like Word, PowerPoint and OneNote have user interface (UI) cues that reveal math zones, selected text, the insertion point (IP) if no text is selected, and the argument of the innermost math object (fraction, subscript, integral, matrix, …) that contains the IP. Math speech also reveals these properties. These…

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Math STIX Fonts 2.0 and UTR #25 Updates

Two math updates have happened: 1) the STIX math fonts have been upgraded to Version 2.0, which works well with Microsoft Word, and 2) Unicode Technical Report #25, Unicode Support Mathematics has been updated to include discussion of slashed-zero and empty-set variations. This post discusses these updates. STIX Fonts 2.0 We compare STIX 2 Math…

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Braille for Math Zones

Mathematical text in modern technical documents appears in math zones. This is true for LaTeX, Microsoft Office math, MathType, Open Office, HTML5, etc. The main reason is that the typography of mathematical text differs from that for ordinary text (see, for example, User Spaces in Math Zones) and has special layout constructs such as square…

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Editing Math using MathML for Speech

The posts Microsoft Office Math Speech and Speaking of math… describe two kinds of math-speech granularities: coarse-grained (navigate by words), which speaks math expressions fluently in a natural language, and fine-grained (navigate by characters), which reveals the content at the insertion point (IP) in sufficient detail to enable editing. Several Assistive Technologies (ATs) use MathML…

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Microsoft Office Math Speech

Microsoft Office math-aware applications can now speak math in over 18 different languages! Try it out with native math zones in Word by enabling Narrator (type CapsLock + Enter) and navigate a math zone as described in the post Speaking of math… There are two math-speech granularities: coarse-grained (navigate by words), which speaks math expressions…

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Unicode – Nemeth Character Mappings

In addition to handling 2D arrangements such as fractions, root, subscripts and superscripts, math layout programs need to be able to display the myriad math symbols discussed in Unicode Technical Report #25 Unicode Support for Mathematics. To interoperate with Nemeth braille, such programs need to map between Unicode characters and Nemeth braille sequences. Since Unicode…

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