• TMD (Turkish Mathematical Society)
• TMDANKARA (Turkish Mathematical Society Ankara Branch)
• AMS (American Mathematical Society)
• SIAM (Society for Industrial and Applied Mathematics)
• IMA (Institute for Mathematics and its Applications)
• Project Mathematics!
• Penn State's Math Guide (Good!)
• Preprint Archive at Los Alamos
• Netlib collection of mathematical software
• GAMS Guide to Available Math Software
• LAPACK Users' Guide (Third Edition)
• Numerical Recipes (on-line book)
• CRC Encyclopedia
• MATLAB
• Gnuplot
• Mathematica
• MRef Add links to MathSciNet in your bibliography.
• European Mathematical Information Service supported by European Mathematical Society (EMS)
• Zentralblatt.
• Google Scholar
• Preprint Archives
• Other Mathematics Information Servers
• Awards and Prizes in Mathematics ([UIUC].
• MS Index of Mathematical Software
• Math Fun Facts
• The MacTutor History of Mathematics archive