Study help and computer resources   Benjamin Klopsch

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Encyclopedias and Dictionaries

• OWID. Online-Wortschatz-Informationssystem Deutsch, falls es bei der Rechtschreibung hapert...
• DWDS. Der deutsche Wortschatz, diverse Wörterbücher, zum Teil historisch...
• The Oxford English Dictionary. In case you never heard of syzygies...
• LEO English/German Dictionary. Also the following: French, Spanish, Italian, Chinese, Russian, Portuguese and Polish.
• Wikipedia. To help me remember who were the Argonauts.

Local Library

• Online-Katalog der Universitätsbibliothek Düsseldorf.

Computer Aid

• The Linux man-pages project . For a quick glance.
• Programming in C by A.D. Marshall. An introduction to the C Language. (You may also want to visit Learn C/C++ Today .)
• GNU Emacs Manual. My editor. (GNU provides a lot of other stuff.)
• W3C Markup Validation Service. Helps to check the validity of web documents.

Keyword LaTeX

• DeTeXify. A fun applet.
• The LaTeX Project. A universal source of information. Of particular interest is the (Not So) Short Introduction toLaTeX.
• AMS-LaTeX. Resources from the American Mathematical Society, in particular the short math guide.
• Xy-pic. A graphics package at CTAN.
• DANTE. German Depository for TeX Resources.

Mathematical Computation

• Pari. A software package for computer-aided number theory.
• MAGMA. A computational algebra system.
• GAP. Groups, Algorithms and Programming.
• Singular. A computer algebra system for polynomial computations.

Last significant update: January 2019