This works, but equality signs are not lined up: LaTeX: Changing the Font Size Latex provides 10 different font sizes. Add the following after \ documentclass [options] \ usepackage [scaled=0.92] {helvet} FIGURES Latex has some figure drawing capabilities which can even be integrated into the text. No installation, real-time collaboration, version control, hundreds of LaTeX templates, and more. Highlighting text. The expressions are obtained in LaTeX by typing \frac{du}{dt} and \frac{d^2 u}{dx^2} respectively. : \documentclass[a4paper,17pt]{ extarticle } For details, please see http://www.ctan.org/tex-archive/macros/latex/contrib/extsizes . The different font sizes are listed below. I personally think there will be few usecases to manually adjust the settings of the font, because the environments usually do this job for you automatically, I just included this for completeness. Whether you would like to single words, sentences, paragraphs, or the entire text in italics, in LATEX it is possible. The commands work relative to the default document font size. see this example. This allows individual words to represent a sentence and a paragraph in italics. OML font encoding. I have a latex equation as part of an RMarkdown document that I'm knitting to an HTML file using knitr.I would like to use the LaTeX eqnarray to align the equality signs. Common examples include Times, Courier, and Helvetica. But for stand-alone figures, my favorite tool is xfig.One very important feature that I exploit in xfig is the ability to include text that are processed as LaTeX commands. We usually define the paper size and the font size inside the square brackets []. The font family you intend to use has to be available as a package. 4 How can I change the fonts to be used for certain parts of the document? LaTeX uses the same fixed table for changing case throughout a document, The table used is designed for the font encoding T1; this works well with the standard TeX fonts for all Latin alphabets but will cause problems when using other alphabets. The style Packaged fonts can be used in the preamble to set the document default, or to change the font for a section of text. The OML encoding contains italic Latin and Greek letters for use in mathematical formulas (typically used for variables) together with some symbols.. The following commands allow you to change the font size in LaTeX. For example, to use the Helvetica font family include: \usepackage{helvet} The font theme has to match the style of the font family, else the resulting document may have a mix of fonts used in it. The syntax to set a font size or font style is easy: This example shows how to use the smallest available font (tiny) in LaTeX and the small capsstyle. This is critical when the figure has labels with subscripts/superscripts or other mathematical symbols. A lot more LaTeX font typefaces are available, see the reference guide. To highlight text, in addition to loading color or xcolor, we also need to load the soul package: \usepackage{soul} Now, text can be highlighted by simply using the command \hl{text}. To write italics within LATEX, there is the command \textit. Hot Network Questions How do we know that the Sine function has no Non-Real Roots? This is some \hl{highlighted text} By default, text is highlighted by changing the background color to yellow. That is, use the serif font theme for a serif font family and so on. Some can ask to change the font size and font type in latex. \usepackage{xcolor} \begin{document} This is a sample text in black. To change the case of text that results from a macro inside text â¦ Subscripts/Superscripts or other mathematical symbols that the Sine function has no Non-Real Roots use! 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