latex is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation.

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since 1983, developing the free unix style operating system gnu, so that computer users can have the freedom to share and improve the software they use.

interactive open source numerical library of c/c++ functions for engineering, finance, maths, science and statistics. with online calculators for numerical components and excel add-ins.

Your All-in-One Learning Portal. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.