Murray Sargent: Math in Office

I'm a software development engineer in Microsoft Office and have been working mostly on the RichEdit editor since 1994. In this blog I focus on mathematics in Office along with some posts on RichEdit and the early Windows days

  • Murray Sargent: Math in Office

    Rick Shoemaker, quantum magician and microcomputer whiz

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    This post summarizes what I said at the retirement ceremony for my long time collaborator and good friend Dr. Rick Shoemaker, Associate Dean, College of Optical Sciences, and Professor of Optical Sciences. I’ll talk a bit on Rick and his love for...
  • Murray Sargent: Math in Office

    Some of My Favorite Sayings

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    Perfection is to be strived for but not attained A software version of this saying is “shipping is a feature”. In general one wants to do the best possible job, but getting something accomplished is usually better than having nothing but unfinished...
  • Murray Sargent: Math in Office

    Smart Canvasses

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    The Microsoft Math graphing calculator folks have created a Word 2007 add-in that lets you simplify, solve, calculate, and graph your equations in 2-D or 3-D. With it installed, your technical paper becomes alive. For example, your paper may have graphs...
  • Murray Sargent: Math in Office

    STIX Beta Fonts

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    The STIX folks (Scientific and Technical Information eXchange) folks have a beta version of their math font. There are more math characters in the STIX fonts than in Cambria Math. The primary typeface is Times Roman. This post describes how you can examine...
  • Murray Sargent: Math in Office

    Using RichEdit 6.0 for Math

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    A number of readers have asked how to use the RichEdit 6.0 shipped with Office 2007 to edit and display mathematical text. This post explains one way to do so. The code assumes that you already have an application that knows how to instantiate a RichEdit...
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    Using Left/Right Arrow Keys in Mathematical Text

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    Paul Libbrecht commented that there’s more to selection in math text than discussed in my first post on this subject. As usual, Paul is right. That post explains how one or more characters and/or math objects are selected. In addition the topic...
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    Breaking Equations into Multiple Lines

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    Long equations often do not fit on a single line and ways are needed to break them up for display on multiple lines. Word 2007 offers two approaches: automatic and manual line breaking. A related feature is alignment of multiple equations, such as aligning...
  • Murray Sargent: Math in Office

    Automatic arguments

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    The arguments of math display objects are either optional or essential. Examples of essential arguments are the numerator and denominator of a fraction. For a legitimate fraction, both are nonempty. Hence if either or both are empty, they should be represented...
  • Murray Sargent: Math in Office

    Math Selection

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    Selection of text in a math zone obeys some special rules concerning built-up math objects, such as fractions and integrals. First some background on how these objects are stored helps to clarify the rules. In memory, math objects start with a special...
  • Murray Sargent: Math in Office

    Getting Word 2007 Technical Files into Publisher Pipelines

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    Nature, Science and other publishers have robust ways of converting Word 2003 documents with embedded Equation Editor and MathType objects into the XML representation they use for publication. Notably MathType can export mathematical equations as MathML...
  • Murray Sargent: Math in Office

    Science and Nature have difficulties with Word 2007 mathematics

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    Science and Nature, two premier science publications, are having difficulties with Word 2007’s elegant new mathematics facility. Part of the reason is due to misunderstanding about Word’s MathML support, which hopefully this post will help to rectify...
  • Murray Sargent: Math in Office

    Using Math Italic and Bold in Word 2007

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    Mathematical variables represented by Latin and lower-case Greek letters are usually displayed in italic. Vectors are often displayed in upright boldface. Word 2007 allows the user to control and change these choices with the italic and bold formatting...
  • Murray Sargent: Math in Office

    When Formula Autobuildup Occurs

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    People, especially testers, often ask when does formula autobuild up (FAB) occur? After using it for a while to enter equations into Word, one gets a feel for how it works, but may still wonder if there’s some well defined way to predict autobuild...
  • Murray Sargent: Math in Office

    Creating Math Web Documents using Word 2007

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    If you use Word 2007 to create a document containing mathematical equations and expressions and save it as a web page, it looks just as good in Internet Explorer as it does in Word 2007! The equations look as though they had been typeset by TeX or in...
  • Murray Sargent: Math in Office

    Math Find/Replace and Rich Text Searches

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    A number of readers have inquired how to Find/Replace mathematical expressions in Word 2007. This post shows how it could be done nicely, although unfortunately this functionality didn’t make it into Word 2007. A previous post shows how to find...
  • Murray Sargent: Math in Office

    Cool Equation Number Macros for Word 2007

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    Dong Yu of Microsoft's Speech Research Group reports: "Office 2007 comes with a very nice equation editor and bibliography manager. However, it does not support equation number management. To work around this problem. I have developed a set of macros...
  • Murray Sargent: Math in Office

    Converting Equations from MathType to Word 2007's Equation Format

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    MathType users may want to convert their equations to Word 2007's native equation format. This can be done by exporting the equations in MathML and then pasting them into Word 2007. There are some problems and useful tricks that Dadi Gudmundsson ( www...
  • Murray Sargent: Math in Office

    Office Math RTF and OMML Documentation

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    The RTF 2007 specification is now available. Word 2007 added as many control words as Word 2000, XP and 2003 combined ! The .doc spec is 4.4 MB, while the .docx is only 881KB. Admittedly a zipped version of the .doc spec is somewhat smaller than the ...
  • Murray Sargent: Math in Office

    Saving Windows from the OS/2 Bulldozer

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    In my blog description, I promised to write occasionally about the early Windows days. So here's a post on how David Weise and I got Windows 2.0 into protected mode and blew away the old DOS 640 KB RAM barrier. If this hadn't happened, we'd probably be...
  • Murray Sargent: Math in Office

    LineServices

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    One of the key technologies behind the high quality display of mathematical text in Word 2007 and RichEdit 6.0 is a special component called LineServices along with its sibling Page/TableServices. In addition to handling math display, various versions...
  • Murray Sargent: Math in Office

    User Spaces in Math Zones

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    Spacing in mathematical expressions involves well defined rules. For example, in the expression a+b=c, a good math display engine automatically inserts 4/18 em on each side of the binary operator + and 5/18 em on each side of the relational operator ...
  • Murray Sargent: Math in Office

    Mathematical RTF

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    This post discusses the Word 2007 math RTF control words. A good way to understand these control words is to note that they are actually OMML tag names written with RTF syntax. Hence you can refer to the very thorough OMML documentation for more detailed...
  • Murray Sargent: Math in Office

    Some RichEdit History

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    A couple of comments have raised the question of people outside Microsoft using the various versions of RichEdit. Specifically, Teis Johansen asks, "Just to be sure. Can I redistribute RichEdit 6.0 with my application?" and Kyle Alons asks, "So what's...
  • Murray Sargent: Math in Office

    RichEdit versions

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    Recurring questions are what RichEdit's are available, where they are installed and what features they have. A relatively new question is which RichEdit's support the new Office math editing and display. So this post attempts to answer these questions...
  • Murray Sargent: Math in Office

    MathML and Ecma Math (OMML)

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    Before comparing these two math XMLs, I'm excited to point you at Jennifer Michelstein's nifty post on Equations in Word 2007 . It comes complete with instructive videos demonstrating how to enter mathematical expressions using the Equation Ribbon as...
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