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Re: Single character in Italics. Ervin Doyle;
On 7 Nov 1998, Ervin F. Doyle wrote: > I recently purchased Mathematica 3.0.1. When I type a single character > like "a" it comes out in italics. However, when I type two or more > characters like "ad" or "abc" I get the characters in bold face. This > italic single character appears when I'm setting up equations like f > := ... or g = ....Is there a reason for this? Do I have to use > double characters in my definitions etc. to avoid the italics when I > don't want them. The behavior you describe will occur when the option SingleLetterItalics has been set to True. Some cell styles and format types have this setting turned on in the Default style sheet. This includes InlineFormula, DisplayFormula, and any cell which uses TraditionalForm as its default input format type. This option is documented in _The Mathemaitca Book_ (Third Edition), section 2.10.11. If you have access to the online version of the book in the help browser, evaluating the following expression in a notebook will take you to the relevant material: FrontEndExecute[FrontEnd`HelpBrowserLookup["MainBook", "2.10.11"]] You can avoid the single letter italics problem by either doing one of the following: o setting the option SingleLetterItalics -> False for the cell that you're working on o importing a private copy of your choice of style sheet and editing the style definition cell for the cell so that SingleLetterItalics is False o choosing a different cell style that does not have this property set o if you are using TraditionalForm as your default input format type, switch to StandardForm -- P.J. Hinton Mathematica Programming Group paulh at wolfram.com Wolfram Research, Inc. http://www.wolfram.com/~paulh/ Disclaimer: Opinions expressed herein are those of the author alone.