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Guide to LaTeX (4th Edition) (Tools and Techniques

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G.2. Computer Modern fonts 491<br />

Table G.1: Computer Modern text fonts<br />

Roman Sans serif Typewriter<br />

Family= cmr cmss cmtt<br />

Style Series/shape<br />

Upright m/n cmr* cmss* cmtt*<br />

” slanted m/sl cmsl* cmssi* cmsltt*<br />

” italic m/it cmti* — cmitt*<br />

” small caps m/sc cmcsc* — cmtcsc*<br />

Bold b/m cmb* — —<br />

Bold extended bx/m cmbx* cmssbx* —<br />

” ” slanted bx/sl cmbxsl* — —<br />

” ” italic bx/it cmbxti* — —<br />

Further inconsistencies exist in the encoding schemes for the CM text<br />

fonts. They are all nominally OT1, but there are slight deviations among<br />

them. The proper OT1 encoding is displayed in Layout 1 on the next page<br />

for font cmr10. The text italic fonts are identical <strong>to</strong> the upright ones,<br />

except that the dollar sign in position 36 is replaced by the pound sign<br />

(Layout 3 for cmti10). The slanted fonts, on the other h<strong>and</strong>, are exactly<br />

the same as the upright ones. Other deviations are <strong>to</strong> be found in the<br />

small caps (Layout 2) <strong>and</strong> all the typewriter fonts (Layout 4).<br />

Math fonts<br />

The Computer Modern fonts provide three types of mathematical fonts,<br />

each with its own encoding scheme.<br />

The mathematical italic fonts cmmi* contain Latin <strong>and</strong> Greek letters,<br />

in upper <strong>and</strong> lower case, plus a number of extra symbols. Since variable<br />

names in formulas are set in italics, these are basically italic fonts. The<br />

encoding scheme is designated OML, for old math letters, <strong>and</strong> is displayed<br />

in Layout 5. It is available in design sizes 5–12 pt in normal weight, but<br />

only in 10 pt size in bold face, cmmib10. These fonts are used for the<br />

letters math alphabet of Section A.3.4.<br />

Symbol fonts cmsy* provide the rest of the math symbols for formulas,<br />

except for those that appear in variable sizes. The encoding scheme is<br />

named OMS for old math symbols <strong>and</strong> is shown in Layout 6. It comes in<br />

sizes 5–10 pt in normal weight, <strong>and</strong> in 10 pt size in bold face, cmbsy10.<br />

The symbols math alphabet uses these fonts.<br />

Variable sized symbols are <strong>to</strong> be found in the font cmex10, with encoding<br />

OMX, for old math extension. Layout 7 illustrates this set. There is no<br />

bold version of this font. It belongs <strong>to</strong> the largesymbols math alphabet<br />

of Section A.3.4.

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