High Fonts and Math Fonts

Math fonts differ from other fonts not only in their extensive coverage of math operators, symbols, and math alphanumerics, but also in the large number of glyph variants they have to support two sizes of sub/superscripts and many sizes of stretchable characters like parentheses and brackets. Some such glyphs can be many times as high…

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Directionality in Math Zones

In most places, mathematical text is written “left to right” (LTR). For example, in the expression x + y the plus is displayed to the right of the x and the y is displayed to the right of the plus. But in some Arabic locales, mathematical text is written right to left (RTL). Instead of…

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Equation Numbering Prototype

When writing the Math in Office 2010 post back in July, I could just imagine the disappointment various people would have when they discovered no mention of equation numbering. After getting math into PowerPoint, equation numbering had been the most often requested feature. Since PowerPoint 2010 now has the math facility, equation numbering has risen…

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RichEdit Friendly Name Hyperlinks

This post is a companion to Automatic RichEdit Hyperlinks. As stated in that post, RichEdit has two kinds of hyperlinks, automatic hyperlinks (autoURLs) and friendly name hyperlinks. A friendly name hyperlink has a name, which is displayed, and a hidden instruction part that contains the actual URL. Such hyperlinks are commonly used when an author…

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RichEdit Versions Update to 7.0

The original RichEdit Versions post covered RichEdit versions 1.0 through 6.0, since 6.0 was the latest version at the time. RichEdit 7.0 will ship with Office 2010, so here’s an update describing what that version adds. Most additions involve math editing/display and play a central role in the math features of OneNote 2010, PowerPoint 2010,…

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Automatic RichEdit Hyperlinks

RichEdit has two kinds of hyperlinks, automatic hyperlinks (autoURLs) and friendly name hyperlinks. As its name suggests, the autoURL is automatically recognized by RichEdit as a hyperlink and is displayed as a URL. A friendly name hyperlink has a name, which is displayed, and a hidden instruction part that contains the actual URL. The present…

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Entering Matrices

The Office math ribbon has a few examples of matrices, but you might like to be able to enter a lot more kinds of matrices and enter them substantially faster. For this you can use the linear format (see Sec. 3.9). For example, a 2×2 matrix is entered by \matrix(…&…@…&…), where the ellipses are the…

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Math in Office 2010

Imagine typing alt+= in PowerPoint, OneNote, Excel, and, of course, Word and Outlook to enter a math zone and then type a^2+b^2=c^2<space> to see the Pythagorean theorem beautifully typeset on your screen! Or some way more complicated equation, equally beautifully typeset. You don’t have to wait much longer as the people getting the Office 2010…

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WordPad Numbering Limit

In Windows 7, WordPad has undergone many improvements even though it uses RichEdit 4.1+ for editing and display. Time and time again, the excellent Hyderabad team responsible for enhancing the Windows 7 WordPad requested very reasonable extensions to RichEdit 4.1, extensions that have been included in later versions of RichEdit. They’ve also requested features that…

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Entering Math via the Linear Format

The previous blog post is on the cool math handwriting recognition shipped with Windows 7. The post includes a description of a race I had entering equations using the linear format with formula autobuildup against a member of the math handwriting recognition team, who entered equations using the Windows 7 Math Input Panel. Since the…

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