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Contains over 5.5 million e-prints in basic and applied sciences, primarily in physics but also including subject areas such as chemistry, biology and life sciences, materials science, nuclear sciences and engineering, energy research, computer and information technologies, and other disciplines of interest to DOE.

eprintweb.org is an e-print service in the fields of physics, mathematics, non-linear science, computer science, and quantitative biology, and consists of e-print records which can be browsed and searched.

Anyone who works with LaTeX knows how time-consuming it can be to find a symbol in symbols-a4.pdf that you just can't memorize. Detexify is an attempt to simplify this search. Just draw the symbol you are looking for into the square area above and look what happens!

A typestting system; it includes features designed for the production of technical and scientific documentation. LaTeX is the de facto standard for the communication and publication of scientific documents.

The Digital Library of Mathematical Functions (DLMF) Project
was initiated to perform a complete revision of
Abramowitz and Stegunâ€™s Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables,
published in 1964 by the National Bureau of Standards. See
R. F. Boisvert and D. W. Lozier (2001) for historical background about this important publication.
The DLMF Project has updated and expanded the coverage for current needs. The results
have been published in book form as the
NIST Handbook of Mathematical Functions,
by Cambridge University Press,
and disseminated in the free electronic
Digital Library of Mathematical Functions.