Useful links

Mathematics

• The Handbook of Mathematical Functions.

Physics

• The S. I.
• Lesson of Astronomy by Luc Duriez.
• L'hydrodynamique et la théorie cinétique des gaz, thesis by Yves Rocard.
• Some information about colors.

Programming and Computing

• FORTRAN 90 standard home page and direct link to the reference document.
• The FORTRAN 77 standard webpage
• Official Python documentation.
• The CINES website.
• The GCC website.
• The MPI specification final draft.
• The IDRIS MPI lessons.
• A IEEE754 float number calculator.
• Numerical recipes. (Link to the FORTRAN 90 version.)
• A good git tutorial.
• A good Bourne again shell reference card.
  (Thanks to Alexis Praga.)
• An utf-8 decoder.

TeX

• Tout ce que vous avez toujours voulu savoir sur LaTeX.
• The CTAN.
• Knuth's homepage.

GNU Emacs

• The GNU Emacs manual.

Visualisation

• The Gnuplot homepage.
• The ImageMagik homepage.
• The MetaPost homepage.
• The matplotlib homepage.
http://colorschemedesigner.com/
• A gradient step generator.
• The line and point types in gnuplot.
• An appropriate color chooser.

Writing

• Le Trésor de la langue française informatisé.
• Biblioplanets
• The IPA chart by wikipedia.
• Petites leçons de typographie.
• The Elements of Style.

Web

• W3Schools.
• HTML 4.01 Specification.
• CSS 2 Specification.
• The Apache HTTP server homepage.
• .htaccess helper.

Standards

• ISO 8601: Representation of dates and times.
• BCP 47: Tags for Identifying Languages.

Administration

• Write letters.

Not so useful links

Photography

• Depth of Field in Depth.

Miscellaneous

• The Jargon file.
• plain/text or HTML emails?
• Aviation weather explained for the dumbbell.