Using MathML-Based Speech to Edit Math in Different Math Models

This post discusses how an Assistive Technology program (AT) can use Presentation MathML to create consistent speech for editing equations created with different math models, such as OfficeMath and MathType. A goal is to make the speech and editing experience be as similar as possible, even though the underlying math models differ in significant ways….

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Using Math Alphanumerics in Code and Web Pages

The post UTF-8 RTF shows how much easier it is to read the rich text format (RTF) with Unicode characters instead of the RTF \uN notation. You see the real characters instead of signed 16-bit decimal numbers and two such numbers for characters above the BMP. In fact, UTF-8 RTF is remarkably readable. The same…

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RichEdit 9 Additions

Six years have past since the post RichEdit 8 Feature Additions and a lot has happened in between. Along the way, several versions have shipped, but we might as well call the current one RichEdit 9, This covers RichEdit up through Office 2019 and includes some features of more recent Office 365 versions. The latter…

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RichEdit Property Sets

RichEdit has many character-format properties, most of which are documented for ITextFont2 and CHARFORMAT2. Nevertheless, the OpenType specification defines many more character-format properties called OpenType features consisting of a 32-bit identifier (id) and a 32-bit value. For example, the Gabriola font has stylistic set 6, which displays “Gabriola is graceful” as Variable fonts are the…

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UI Automation Math Text Support

Microsoft products expose their contents for accessibility purposes via a set of interfaces known as UI Automation (UIA). Currently UIA has no special support for math text. Either the assistive technology program (AT) has to figure out if math is involved or the application has to return math-specific speech text as done with Office math…

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OfficeMath UI

The post OfficeMath describes the history, model, file format, typography and math font of the native math facility introduced in Office 2007. That post refers to the present post for discussion of OfficeMath user interfaces (UI). OfficeMath UI can be grouped into keyboard, menu/ribbon, ink, and accessibility categories. Let’s consider each of these in turn….

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OfficeMath

Microsoft Word 2007 and RichEdit 6.0 introduced the native Office math facility. PowerPoint, Excel, and OneNote followed suit in 2010, and Mac Word followed in 2011. But ironically the native math facility hasn’t had a recognizable name. “Microsoft Equation Editor” (MEE) seems natural, but it’s the name of the Design Science math editor that shipped…

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Converting Microsoft Equation Editor Objects to OfficeMath

As discussed in the post Editing equations created using the Microsoft Equation Editor, the Microsoft Equation Editor 3.0 (MEE) was removed from Office installations because it has security problems and no maintenance. Microsoft doesn’t have access to the MEE source code and MEE’s author, Design Science, doesn’t maintain it, instead offering the more powerful, upward-compatible…

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Integrands, Summands, and Math Function Arguments

The Microsoft OfficeMath object model (OMML) dedicates explicit arguments for integrands, summands and other N-aryands, as well as for math functions such as trigonometric functions and subscript/superscript bases. Having such arguments aids in calculating the correct math spacing and reveals the math content more precisely. However, other math models, such as LaTeX, Presentation MathML and…

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Copying Equations from Wikipedia into Office Applications

The post LaTeX Math in Office describes how to switch between UnicodeMath and LaTeX in Office apps. One handy use of this facility is in copying equations from Wikipedia into a Word document. The process isn’t as simple as selecting the equation, typing Ctrl+C to copy it and Ctrl+V to paste it into your document,…

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