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A Survey of Free Math Fonts for TeX and LaTeX1 A Survey of Free Math Fonts for TeX and LaTeX

A Survey of Free Math Fonts for TeX and LaTeX1

Stephen G. Hartke2

May 5, 2006


Note: This survey is also available in PDF format.


Contents

Introduction

Fonts Originally Designed for TeX
Computer Modern, CM Bright, Concrete and Euler, Concrete Math, Iwona, Kurier, Antykwa Półtawskiego, Antykwa Toruńska
Core Postscript Fonts
Kerkis, Millennial, fouriernc, pxfonts, Pazo, mathpple, txfonts, Belleek, mathptmx, mbtimes
Other Free Fonts
Arev Sans, Math Design with Charter, Comic Sans, Math Design with Garamond, Fourier-GUTenberg, Math Design with Utopia
Comparison of Features

Creation of this Survey

1  Introduction

One of the biggest challenges in selecting a font for TeX or LaTeX is that there are not very many math fonts that match the plethora of available text fonts. It's reasonably easy to use an arbitrary Postscript Type 1 font in TeX for text (see Philipp Lehman's Font Installation Guide [1]), but obtaining and configuring a matching math font from scratch is a demanding task. Thus, there are few math fonts for TeX, and in particular very few free ones. However, in the past few years, several very nice free fonts have been released. The goal of this article is to list all of the free math fonts and to provide examples.

“Free” here means fonts that are free to use (both commercially and non-commercially) and free to distribute, but not necessarily free to modify. I also am biased towards listing fonts that have outline versions in PostScript Type 1 format suitable for embedding in Postscript PS or Adobe Acrobat PDF files. Donald E. Knuth originally designed the METAFONT system for producing fonts for TeX in bitmap format. PS or PDF files that have embedded bitmap fonts do not display well in Adobe Acrobat Reader,3 to the point of being almost unreadable on the screen, and are also noticeable when printing at extremely high resolutions (on photo-setters, for instance). Since outline fonts contain mathematical descriptions of the curves used in each glyph, they can be scaled to any resolution while retaining image quality.

The fonts listed here are categorized according to their origin: whether originally designed for TeX, related to the standard Postscript fonts, or other free fonts. A font's origin does not particularly bear on its quality or suitability for typesetting mathematics. No recommendations or evaluations of the fonts are given here, as people's tastes in fonts vary greatly. The goal of this survey is simply to make authors aware of all their options.

Most of the fonts can be selected by including a single package in the preamble of the user's LaTeX file (the preamble is the section after “\documentclass{}” and before “\begin{document}”). The line or lines to include for each font are listed in the caption of the sample figure. For example “\usepackage{fourier}” uses Utopia and Fourier-GUTenberg, as shown in the sample LaTeX file in Section 6.

Walter A. Schmidt also has a survey in German of math fonts [3] that concentrates more on commercial fonts. Schmidt's survey has several examples that show different pairings between text fonts and math fonts.

2  Fonts Originally Designed for TeX

These fonts were originally designed for use with TeX, using either METAFONT or MetaType1 [2].

Computer Modern:
Knuth created Computer Modern [5] as the default font for TeX. The font set includes serif, sans serif, and monospaced text faces, and corresponding math fonts. The math symbol set is very complete. Computer Modern is the font for TeX, which leads some to claim that the font is overused. The characters are fairly thin and light, and so are not as readable on screen in small sizes or from high-resolution laser printers.4 In a comparison by Raph Levien [6], the printing in Knuth's Digital Typography [7] is heavier than the digital version or from a laser printer.

Type 1 versions of Computer Modern from Blue Sky Research and Y&Y, Inc. have been made freely available by the American Mathematical Society (AMS) and a collection of publishers and other technical companies [8, 4]. Basil K. Malyshev has also released a free Type 1 version of Computer Modern [9], originally for use with his TeX system BaKoMa TeX.

Computer Modern has been extended to include more characters, particularly for non-English European languages. These fonts include European Computer Modern by Jörg Knappen and Norbert Schwarz (METAFONT only) [10]; Tt2001 by Szabó Péter (converted into Type 1 format from METAFONT sources using textrace; Tt2001 has been superseded by CM-Super, which Péter recommends) [12, 11]; CM-Super by Vladimir Volovich (also converted using textrace) [14, 13]; and Latin Modern by Bogusław Jackowski and Janusz M. Nowacki (extended from the Blue Sky AMS fonts using MetaType1) [16, 15].

The SliTeX font (lcmss) is a sans serif text face that has wide letters and high x height. Its high readability makes it extremely suitable for slide presentations. However, there is no matching math font. SliTeX sans serif can be set as the primary text font using TeXPower's tpslifonts.sty [17].


Figure 1: Computer Modern (using the Blue Sky and Y&Y Type 1 fonts; no package necessary).


Computer Modern Bright:
This a sans serif font with corresponding math font derived from Computer Modern by Walter A. Schmidt [18]. CM-Super contains Type 1 versions of the text fonts in T1 encoding, and Harald Harders created Type 1 versions of the text and math fonts called hfbright [19] using mftrace.


Figure 2: CM Bright (\usepackage{cmbright}; output uses the hfbright fonts).


Concrete and Euler or Concrete Math:
The Concrete font was created by Knuth for his book Concrete Mathematics [20]. Hermann Zapf was commissioned by the AMS to create the math font Euler for use in Concrete Mathematics. Type 1 versions of Concrete in T1 encoding are available in the CM-Super collection [13], and Type 1 versions of Euler are available in the Blue Sky collection from the AMS [8] and in the BaKoMa collection [9]. The eulervm package by Walter Schmidt [23, 24] implements virtual fonts for Euler that are more efficient to use with LaTeX. Ulrik Vieth created the Concrete Math fonts [21] to match the Concrete text fonts; the only free versions are implemented in METAFONT. The ccfonts package by Walter Schmidt [22] changes the text font to Concrete and changes the math font to the Concrete Math fonts if eulervm is not loaded.


Figure 3: Concrete text with Euler math (\usepackage{ccfonts,eulervm} \usepackage[T1]{fontenc}). Note that Concrete does not have a bold font, so Computer Modern is used instead. Non-bold text output uses the CM-Super Concrete fonts.




Figure 4: Concrete text with Concrete math (\usepackage{ccfonts} \usepackage[T1]{fontenc}). Note that Concrete does not have a bold font, so Computer Modern is used instead. Non-bold text output uses the CM-Super Concrete fonts.


Iwona and Kurier:
The fonts Iwona and Kurier were created by J. M. Nowacki [25, 26] using the MetaType1 system based on typefaces by the Polish typographer Małgorzata Budyta. The two fonts are very similar, except that Kurier avoids “ink traps” with gaps in its strokes. The packages have complete math support in both TeX and LaTeX.


Figure 5: Iwona text and math (\usepackage[math]{iwona}).




Figure 6: Kurier text and math (\usepackage[math]{kurier}).


Antykwa Półtawskiego:
J. M. Nowacki created the font Antykwa Półtawskiego [27] using the MetaType1 system based on a typeface by Polish typographer Adam Półtawski. The package antpolt has no math support at this time, and requires the encoding to be set to QX or OT4.


Figure 7: Antykwa Półtawskiego text (\usepackage{antpolt} and \usepackage[QX]{fontenc}).


Antykwa Toruńska:
The font Antykwa Toruńska was created by J. M. Nowacki [29, 28] using the MetaType1 system based on a typeface by the Polish typographer Zygfryd Gardzielewski. The package anttor has complete math support in both TeX and LaTeX.


Figure 8: Antykwa Toruńska text and math (\usepackage[math]{anttor}).


3  Core Postscript Fonts

When Adobe introduced Postscript in 1984, they defined 35 core fonts (in 10 typefaces) that must be present in all Postscript interpreters. In 1996, URW++ released a replacement set for the core fonts under the GNU General Public License. The URW++ fonts were primarily released for use with Ghostscript, a free Postscript interpreter. Table 1 lists the original Postscript fonts, along with the URW++/Ghostscript equivalents. Each font can be used as the default text font by selecting the indicated LaTeX package from the PSNFSS distribution [30].
Adobe Postscript URW++/Ghostscript # of fonts package
Avant Garde URW Gothic L 4 avant
Bookman URW Bookman L 4 bookman
Courier Nimbus Mono L 4 courier
Helvetica Nimbus Sans L 8 helvet
New Century Schoolbook Century Schoolbook L 4 newcent
Palatino URW Palladio L 4 palatino
Symbol Standard Symbols L 1
Times Nimbus Roman No. 9 L 4 times
Zapf Chancery URW Chancery L 1 chancery
Zapf Dingbats Dingbats 1




Table 1: Core Postscript fonts and URW++/Ghostscript equivalents.


Avant Garde and Kerkis Sans:
The font Kerkis Sans was created by Antonis Tsolomitis [31, 32] by extending Avant Garde to include Greek and additional Latin characters. The resulting fonts are stand-alone and can be used by applications outside of TeX. The package kerkis sets the sans serif font to Kerkis Sans; there is no package option to set Kerkis Sans to be the primary text font.

Bookman and Kerkis:
The font Kerkis was created by Antonis Tsolomitis [31, 32] by extending URW Bookman L to include Greek and additional Latin characters. The resulting fonts are stand-alone and can be used by applications outside of TeX. A font of math symbols is included, but not used by the LaTeX package. The package kmath uses txfonts for math symbols and uppercase Greek letters.


Figure 9: Kerkis text and math (\usepackage{kmath,kerkis}; the order of the packages matters, since kmath loads the txfonts package which changes the default text font).


New Century Schoolbook and Millennial or fouriernc:
The Millennial math font of the current author contains Greek letters and other letter-like mathematical symbols. A set of virtual fonts is provided that uses New Century Schoolbook for Latin letters in math, Millennial for Greek and other letter-like symbols, and txfonts and Computer Modern for all other symbols, including binary operators, relations, and large symbols. This font is still in development, but will hopefully be released in 2006. The fouriernc package of Michael Zedler [33] uses New Century Schoolbook for text and Latin letters in mathematics, and the Greek and symbol fonts from the Fourier-GUTenberg package for the remaining mathematical symbols.


Figure 10: New Century Schoolbook with Millennial math (\usepackage{millennial}).




Figure 11: New Century Schoolbook with Fourier math (\usepackage{fouriernc}).


Palatino and pxfonts, Pazo, or mathpple:
Young Ryu created the pxfonts collection [34], which contains Greek and other letter-like symbols, as well as a complete set of geometric symbols, including the AMS symbols. Diego Puga created the Pazo math fonts, which include the Greek letters and other letter-like symbols in a style that matches Palatino. The LaTeX package mathpazo (now part of PSNFSS [30]) uses Palatino for Latin letters, Pazo for Greek and other letter-like symbols, and Computer Modern for geometric symbols. The LaTeX package mathpple (also part of PSNFSS [30]) uses Palatino for Latin letters and slanted Euler for Greek and other symbols. Since Hermann Zapf designed both Palatino and Euler, the designs mesh well. An alternate use of Euler is using the eulervm package. Ralf Stubner added small caps and old-style figures to URW Palladio L in the FPL package [36], and Walter Schmidt extended these fonts in the FPL Neu package [37].


Figure 12: Palatino text with pxfonts math (\usepackage{pxfonts}).




Figure 13: Palatino text with Pazo math (\usepackage{mathpazo}).




Figure 14: Palatino text with Euler math (\usepackage{mathpple}).


Times and txfonts, Belleek, mathptmx, or mbtimes:
Young Ryu created the txfonts collection [38], which contains Greek and other letter-like symbols, as well as a complete set of geometric symbols, including the AMS symbols. The txfonts package also includes a very nice typewriter font, txtt. Belleek was created by Richard Kinch [39, 40] and is a drop-in replacement for the commercial fonts required by the mathtime package (now part of PSNFSS [30]). The LaTeX package mathptmx (also part of PSNFSS [30]) uses Times for Latin letters and Symbol for Greek and other symbols. Michel Bovani created the mbtimes package by using Omega Serif for text and Latin and Greek letters in mathematics. mbtimes also includes symbol fonts and a set of calligraphic letters. Omega Serif is the primary font for Omega, a 16-bit extension of TeX by John Plaice and Yannis Haralambous [43].

The STIX fonts project [41] is a collaboration of several academic publishers to create a set of Times-compatible fonts containing every possible glyph needed for mathematical and technical publishing. These fonts are still in development, with a scheduled release in the middle of 2006.

Note that Adobe Reader 7.0 replaces Times with Adobe Serif MM if Times or the Ghostscript equivalent Nimbus Roman No. 9 L is not embedded in the PDF file. Adobe Serif MM only has an oblique version, not a real italics, and thus, the primary text and Latin letters in mathematics will not match letters taken from additional fonts. This problem can be avoided by embedding Times or the Ghostscript equivalent Nimbus Roman No. 9 L into the PDF file. Also, I have heard (but not personally verified) that the Windows version of Adobe Reader displays Times New Roman when Times is not embedded. The upright versions of the two typefaces are very similar, but the italics are noticeably different (consider the z, for instance).


Figure 15: Times text with txfonts math (\usepackage[varg]{txfonts}).




Figure 16: Times text with Belleek math (\usepackage{mathtime}; output uses the Belleek fonts).




Figure 17: Times text with Symbol math (\usepackage{mathptmx}).




Figure 18: Omega Serif text with Omega math (\usepackage{mbtimes}).




Helvetica, Courier, and Zapf Chancery do not have matching math fonts. Courier and Zapf Chancery are inappropriate for mathematics anyway, but Helvetica is sometimes used for presentations and posters. The free fonts MgOpenModerna [44] and FreeSans [45] would be natural choices for the Greek letters in a Helvetica mathematics font.

4  Other Free Fonts

Several other fonts have been released for use with free open-source software. LaTeX packages have been created for most of these fonts.

Bitstream Vera Sans and Arev Sans:
Bitstream Vera was released by Bitstream in cooperation with the Gnome Foundation [46] as a high quality scalable free font for use with free open-source software. Bitstream Vera serif, sans serif, and sans mono are available in text using the bera package by Malte Rosenau and Walter A. Schmidt [47]. Tavmjong Bah created Arev Sans [49] by extending Bitstream Vera Sans to include Greek, Cyrillic, and many mathematical symbols. The current author created the LaTeX package arev [48] using Arev Sans for text and math letters and bold Math Design fonts for Bitstream Charter for symbols.


Figure 19: Arev Sans text with Arev math (\usepackage{arev}).


Bitstream Charter and Math Design:
Bitstream Charter [50] was donated by Bitstream for use with X Windows. The Math Design fonts for Bitstream Charter created by Paul Pichaureau [51] are very complete, including Greek letters, symbols from Computer Modern, and the AMS symbols. Charis SIL [52] might be an alternate source for Greek letters that match Bitstream Charter more closely. Another possibility for a math font is to use the Euler fonts with the charter and eulervm packages.


Figure 20: Bitstream Charter text with Math Design math (\usepackage[charter]{mathdesign}).


Comic Sans:
Comic Sans is one of Microsoft's core web fonts that is freely available [53]. The comicsans package by Scott Pakin [54] implements Comic Sans as both the primary text font and the Latin and Greek letters in mathematics. Computer Modern is used for geometric symbols that are not present in Comic Sans. Comic Sans is hard to read for large blocks of text, but might be nice to use for short comments in a handwriting style.


Figure 21: Comic Sans text and math (\usepackage{comicsans}).


URW Garamond and Math Design:
URW Garamond No. 8 [55] is available under the Aladdin Free Public License as part of the GhostPCL project. The Math Design fonts for URW Garamond created by Paul Pichaureau [51] are very complete, including Greek letters, symbols from Computer Modern, and the AMS symbols.


Figure 22: URW Garamond text with Math Design math (\usepackage[garamond]{mathdesign}).


Utopia and Fourier or Math Design:
Utopia [56] was donated by Adobe for use with X Windows. Michel Bovani created Fourier-GUTenberg [57] as an accompaniment to Utopia and is very complete, containing both Greek letters and standard and AMS symbols. The Math Design fonts for Utopia of Paul Pichaureau [51] are also very complete, including Greek letters and AMS symbols.


Figure 23: Utopia text with Fourier-GUTenberg math (\usepackage{fourier}).




Figure 24: Utopia text with Math Design math (\usepackage[utopia]{mathdesign}).




Using METAFONT, Achim Blumensath created the package MnSymbol [58], which contains geometric symbols (no Greek or other letter-like symbols) in varying optical sizes that match the commercial font Adobe MinionPro. The MnSymbol package also contains traced Type 1 versions. MnSymbol is free; however the package MinionPro of Achim Blumensath, Andreas Bühmann, and Michael Zedler [59] which uses MnSymbol requires a license from Adobe for the font MininonPro.

5  Comparison of Features

Table 2 shows a comparison of the different features in each package. The only packages that have optical sizes are Computer Modern, CM Bright, Concrete, Euler, and MnSymbol. Except for when the eulervm package is used, Latin math letters are taken from the italic text font. An asterisk after a font name indicates that the package has a version of that style in its own font files.

 Package Text Greek CM sym AMS sym Calligr Blkbd boldmath
computer modern cm cm cm ams cm ams yes
cmbright cmbright cmbright cm* cm* cm* ams no
ccfonts,eulervm concrete euler euler ams euler ams yes
concmath concrete concrete concmath concmath concmath concmath no
iwona iwona iwona iwona iwona cm* ams yes
kurier kurier kurier kurier kurier cm* ams yes
anttor anttor anttor anttor anttor anttor ams yes
kmath,kerkis kerkis kerkis txfonts txfonts txfonts txfonts yes
millennial nc schlbk millennial txfonts txfonts txfonts ams no
fouriernc nc schlbk fourier fourier fourier fourier fourier yes
pxfonts palatino pxfonts txfonts* txfonts* txfonts* pxfonts yes
mathpazo palatino pazo cm ams cm pazo yes
mathpple palatino euler euler ams cm ams yes
txfonts times txfonts txfonts txfonts txfonts txfonts yes
mathtime (Belleek) times belleek belleek ams cm ams no
mathptmx times symbol cm ams rsfs ams no
mbtimes omega omega mbtimes ams rsfs* esstix yes
arev arev arev md charter md charter cm fourier yes
mathdesign (Charter) charter md charter md charter md charter rsfs* ams yes
comicsans comicsans comicsans cm cm cm cm yes
mathdesign (Garamond) garamond md garamond md garamond md garamond rsfs* ams* yes
fourier utopia fourier fourier fourier fourier fourier yes
mathdesign (Utopia) utopia md garamond md utopia md utopia rsfs* ams* yes




Table 2: Comparison of the features of different packages.
The only sans serif fonts with matching math fonts are CM Bright and Arev Sans. Both work well for presentations. Computer Modern sans serif, CM Bright, Arev Sans, Bera Sans, Kerkis Sans, Helvetica, and Avant Garde all work well as sans serif fonts that accompany a primary roman font. Computer Modern typewriter, txtt (from txfonts), Luxi Mono [61], and Bera Mono all work well as typewriters fonts.

There are several other free fonts easily used in LaTeX, notably the Bera fonts, Luxi Mono, and efont-serif [62]. Malte Rosenau converted the Bitstream Vera fonts into Type 1 format, renaming the fonts to Bera [47]. Bera includes serif, sans, and mono. Bera Serif does not have a matching italic font, but the DejaVu fonts [60] are an extension of Bitstream Vera that include a true serif italic, as well as Greek and Cyrillic for all three styles. Except for Bera Sans and Arev Sans, none of the previous fonts have matching math fonts.

6  Creation of this Survey

It might be technically feasible to create a font survey such as this article as a single TeX document. This document, however, was not created in that fashion for two reasons. First, it would be an inordinate amount of work to switch between fonts within the same document. The authors of the LaTeX packages put in a considerable amount of effort to set up the fonts for a document, and it would be silly to duplicate their work. Second, we want to show to a reader exactly what he or she will get by using that package.

In order to accomplish these goals, a small LaTeX file (see Figure 25 for an example) was made for each font that loaded the appropriate packages and then loaded a common text fragment for display. Each file was LaTeXed and then converted to an EPS file using dvips with the -E option. The -E option creates a tight bounding box around the text. The main file survey.tex then included each of these graphics, and was compiled with pdflatex. For some reason, dvips created an unusable one-page PS file when including mbtimes.eps. HeVeA was used to convert survey.tex directly to HTML.
\documentclass{article} 
\include{sampleformat} 
  \usepackage{fourier} 
\begin{document} 
  \include{textfragment} 
\end{document}


Figure 25: Sample LaTeX file for fourier. The file sampleformat.tex contains page layout commands, such as setting the margins and removing the page numbers. The file textfragment.tex contains the text and mathematics fragment to be displayed. Both included files are used by every sample LaTeX file. The line “\usepackage{fourier}” was changed for each sample to the package listed in the sample's caption.


Acknowledgements

Thanks to Michael Zedler, Ulrik Vieth, Karl Berry, William Slough, and the anonymous referees for helpful comments.

References

[1]
Philipp Lehman, The Font Installation Guide on CTAN:/info/Type1fonts/fontinstallationguide.
[2]
Bogusław Jackowski, Janusz M. Nowacki, and Piotr Strzelczyk, MetaType1 on CTAN:/fonts/utilities/metatype1
[3]
Walter A. Schmidt, Mathematikschriften für LaTeX, http://home.vr-web.de/was/mathfonts.html.
[4]
American Mathematical Society (AMS) webpage for Computer Modern Type 1 fonts, http://www.ams.org/tex/type1-fonts.html.
[5]
Donald E. Knuth, Computer Modern Typefaces, Addison-Wesley Pub. Co., 1986.
[6]
Raph Levien, Effect of gain on appearance of Computer Modern, http://levien.com/type/cmr/gain.html.
[7]
Donald E. Knuth, Digital Typography, Stanford, California: Center for the Study of Language and Information, 1999.
[8]
Blue Sky Research and Y&Y, Inc., Computer Modern Type 1 fonts on CTAN:/fonts/cm/ps-type1/bluesky.
[9]
Basil K. Malyshev, BaKoMa Computer Modern Type 1 and TrueType fonts on CTAN:/fonts/cm/ps-type1/bakoma.
[10]
Jörg Knappen and Norbert Schwarz, European Computer Modern fonts on CTAN:/fonts/ec.
[11]
Szabó Péter, Tt2001 fonts on CTAN:/fonts/ps-type1/tt2001.
[12]
Szabó Péter, webpage for textrace and Tt2001 fonts, http://www.inf.bme.hu/~pts/textrace.
[13]
Vladimir Volovich, CM-Super on CTAN:/fonts/ps-type1/cm-super.
[14]
Vladimir Volovich, CM-Super: Automatic creation of efficient Type 1 fonts from METAFONT fonts, TUGboat, 24 (1) 2003, 75–78.
[15]
Bogusław Jackowski and Janusz M. Nowacki, Latin Modern on CTAN:/fonts/ps-type1/lm.
[16]
Bogusław Jackowski and Janusz M. Nowacki, Latin Modern: Enhancing Computer Modern with accents, accents, accents, TUGboat, 24 (1) 2003, 64–74.
[17]
TeXPower LaTeX style files by Stephan Lehmke, http://texpower.sourceforge.net.
[18]
Walter A. Schmidt, CM Bright on CTAN:/fonts/cmbright.
[19]
Harald Harders, hfbright on CTAN:/fonts/ps-type1/hfbright.
[20]
Ronald L. Graham, Donald E. Knuth, and Oren Patashnik, Concrete Mathematics, Addison-Wesley, 1989.
[21]
Ulrik Vieth, Concrete Math fonts on CTAN:/fonts/concmath.
[22]
Walter Schmidt, ccfonts on CTAN:/macros/latex/contrib/ccfonts.
[23]
Walter Schmidt, eulervm on CTAN:/fonts/eulervm.
[24]
Walter Schmidt, Euler-VM: Generic math fonts for use with LaTeX, TUGboat, 23 (3/4) 2002, 301–303.
[25]
Janusz M. Nowacki, Iwona on CTAN:/fonts/iwona.
[26]
Janusz M. Nowacki, Kurier on CTAN:/fonts/kurier.
[27]
Janusz M. Nowacki, Antykwa Półtawskiego on CTAN:/fonts/psfonts/polish/antp.
[28]
Janusz M. Nowacki, Antykwa Toruńska on CTAN:/fonts/antt.
[29]
Janusz M. Nowacki, Antykwa Toruńska: an electronic replica of a Polish traditional type, TUGboat, 19 (3) 1998, 242–243.
[30]
Sebastian Rahtz and Walter A. Schmidt, PSNFSS on CTAN:/macros/latex/required/psnfss.
[31]
Antonis Tsolomitis, The Kerkis font family, TUGboat, 23 (3/4) 2002, 296–301.
[32]
Antonis Tsolomitis, Kerkis on CTAN:/fonts/greek/kerkis.
[33]
Michael Zedler, fouriernc on CTAN:/fonts/fouriernc.
[34]
Young Ryu, pxfonts on CTAN:/fonts/pxfonts.
[35]
Diego Puga, Pazo Math fonts on CTAN:/fonts/mathpazo.
[36]
Ralf Stubner, FPL font on CTAN:/fonts/fpl.
[37]
Walter Schmidt, FPL Neu package, http://home.vr-web.de/was/x/FPL/.
[38]
Young Ryu, txfonts on CTAN:/fonts/txfonts.
[39]
Richard Kinch, Belleek fonts on CTAN:/fonts/belleek.
[40]
Richard J. Kinch, Belleek: A call for METAFONT revival, TUGboat, 19 (3) 1998, 244–249.
[41]
STIX Fonts project, http://www.stixfonts.org.
[42]
Michel Bovani, mbtimes at ftp://ftp.gutenberg.eu.org/pub/gut/distribs/mbtimes/.
[43]
John Plaice and Yannis Haralambous, Omega at http://omega.enstb.org.
[44]
MgOpenModerna, one of the MgOpen fonts, http://www.ellak.gr/fonts/mgopen.
[45]
FreeSans, one of the Free UCS Outline Fonts, http://savannah.nongnu.org/projects/freefont.
[46]
Bitstream Vera, released by Bitstream in cooperation with the Gnome Foundation, http://www.gnome.org/fonts.
[47]
Malte Rosenau, Bera Postscript Type 1 fonts (converted from Bitstream Vera fonts, which necessitated the name change) and LaTeX support files by Walter A. Schmidt, on CTAN:/fonts/bera.
[48]
Tavmjong Bah and Stephen Hartke, Arev Sans on CTAN:/fonts/arev.
[49]
Tavmjong Bah, Arev Sans, http://tavmjong.free.fr/FONTS.
[50]
Bitstream Charter on CTAN:/fonts/charter.
[51]
Paul Pichaureau, Math Design fonts on CTAN:/fonts/mathdesign.
[52]
Charis SIL, http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&item_id=CharisSILfont.
[53]
Comic Sans, part of Microsoft's core web fonts, available at http://corefonts.sourceforge.net/.
[54]
Scott Pakin, Comic Sans LaTeX package on CTAN:/macros/latex/contrib/comicsans.
[55]
URW Garamond on CTAN:/fonts/urw/garamond.
[56]
Adobe Utopia on CTAN:/fonts/utopia.
[57]
Michel Bovani, Fourier-GUTenberg on CTAN:/fonts/fourier-GUT.
[58]
Achim Blumensath, MnSymbol on CTAN:/fonts/mnsymbol.
[59]
Achim Blumensath, Andreas Bühmann, and Michael Zedler, MinionPro on CTAN:/fonts/minionpro.
[60]
DejaVu fonts, http://dejavu.sourceforge.net.
[61]
Luxi Mono on CTAN:/fonts/LuxiMono.
[62]
efont-serif at http://openlab.jp/efont/serif/.

1
Copyright 2006 Stephen G. Hartke. Permission is granted to distribute verbatim or modified copies of this document provided this notice remains intact.
An initial version of this article appeared in The PracTeX Journal, 1, 2006, http://www.tug.org/pracjourn/2006-1/hartke/.
The permanent home of this article is http://ctan.tug.org/tex-archive/info/Free_Math_Font_Survey.
2
Email: lastname @ gmail dot com.
3
Starting with version 6, Adobe Acrobat Reader displays bitmap fonts fine. The free PDF viewers Ghostview and xpdf have always displayed bitmap fonts accurately.
4
When on screen, the fonts are usually anti-aliased, often into a gray blur because the stems are not thick enough to fill a pixel. When printed with a high-resolution laser printer, the fonts are shown accurately, but I think are too thin. With a medium-resolution printer like an inkjet, there's enough resolution to show the form of the letters (unlike on screen), but the low-resolution "bulks up" the letters compared to a high-resolution laser printer, with the letters thus appearing darker.

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