AMS Euler is an upright cursive typeface, commissioned by the American Mathematical Society (AMS) and designed and created by Hermann Zapf with the assistance of Donald Knuth and his Stanford graduate students. It tries to emulate a mathematician's style of handwriting mathematical entities on a blackboard, which is upright rather than italic. It blends very well with other typefaces made by Hermann Zapf, such as Palatino, Aldus and Melior, but very badly with the default TeX font Computer Modern. All the alphabets were implemented with the computer-assisted design system Metafont developed by Knuth. Zapf designed and drew the Euler alphabets in 1980–81 and provided critique and advice of digital proofs in 1983 and later. The typeface family is copyright by American Mathematical Society, 1983. Euler Metafont development was done by Stanford computer science and/or digital typography students; first Scott Kim, then Carol Twombly and Daniel Mills, and finally David Siegel, all assisted by John Hobby. Siegel finished the Metafont Euler digitization project as his M.S. thesis in 1985.
The AMS Euler typeface is named after Leonhard Euler.
First implemented in METAFONT, AMS Euler was first used in the book Concrete Mathematics, co-authored by Knuth, which was dedicated to Euler. This volume also saw the debut of Knuth's Concrete Roman font, designed to complement AMS Euler. The Euler Metafont format fonts were converted to PostScript Type 1 font format by the efforts of several people, including Berthold Horn at Y&Y, Barry Smith at Bluesky Research, and Henry Pinkham and Ian Morrison at Projective Solutions. It is now also available in TrueType format.
The family consists of seven alphabets: Text, Greek, Fraktur, Text Bold, Greek Bold, Script Bold and Fraktur Bold.
The updated version 3.0 was presented to Donald Knuth on his birthday, January 10, 2008.
These updates were designed to work with the metrics for version 2.2, so no changes to the .tfm files were needed. Since the updates were made directly to the Type 1 files, the (incompatible) MetaFont sources have been removed from the distribution.
- Knuth, Donald E.; Zapf, Hermann (April 1989). "AMS Euler — a new typeface for mathematics". Scholarly Publishing (Toronto: University of Toronto Press) 20 (3): 131–157.
- Zapf, Hermann (1987). Hermann Zapf and his design philosophy — selected articles and lectures on calligraphy and contemporary developments in type design, with illustrations and bibliographical notes, and a complete list of his typefaces. Chicago: Society of Typographic Arts.
- Knuth, Donald E. (April 1989). "Typesetting Concrete Mathematics" (PDF). TUGboat (Providence, RI: TeX Users Group) 10 (1): 31–6. Retrieved 2012-02-11.
Beeton, Barbara, ed. (November 1989). "Erratum: Typesetting Concrete Mathematics, TUGboat Vol. 10, No. 1" (PDF). TUGboat (Providence, RI: TeX Users Group) 10 (3): 342. Retrieved 2012-02-11.
- AMSFonts README file
- Hagen, Hans; Hoekwater, Taco; Schaa, Volker RW (June 2008). "Reshaping Euler — a collaboration with Hermann Zapf" (PDF). TUGboat (Providence, RI: TeX Users Group) 29 (2): 283–7. Retrieved 2012-02-11.
- "Experiences typesetting OpenType math with LuaLaTEX and XeLaTEX" (PDF). Tug.org. Retrieved 2015-06-10.
- "khaledhosny/euler-otf Âˇ GitHub". Github.com. Retrieved 2015-06-10.
|Wikimedia Commons has media related to AMS Euler.|
- User's Guide to AMSFonts, version 2.2d January 2002, PDF document, 34 pages, file size: about 660 kB, which includes a section on the history of AMS Euler fonts.
- Rhatigan, Daniel (September 2007). "Three Typefaces for Mathematics - The development of Times 4-line Mathematics Series 569, AMS Euler, and Cambria Math" (PDF). University of Reading. Archived from the original (PDF) on 2009-12-29. Retrieved 2009-01-03. See also video recording of presentation at TUG 2008
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