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HandWiki

Wiki Encyclopedia of Science and Computing

HandWiki is a wiki encyclopedia and a content management for collaborative editing of articles on science, technology and computing. It is one of the world's largest encyclopedia. Registered users can post and edit articles, books, manuals and tutorials. One can login or request account using the top-right menu. Read more about HandWiki here.

News

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July 20, 2020: More options for support and donations.
June 5, 2020: Translation to 20 languages using the left sidebar.
May 2, 2020: HandWiki is the largest resource on natural and formal sciences. See HandWiki article statistics.
Apr 20, 2020: Looking for editors with professional background.
Feb 21 12, 2020: Use the DMelt project for searches inside >40,000 source code descriptions and >700 code examples

Featured Article

On May 30, 2020, SpaceX successfully launched first crew to orbit. This flight marks the first time US astronauts have launched into orbit from American soil in nearly a decade, and SpaceX is now the first company to send passengers to orbit on a privately made vehicle. For two astronauts Bob Behnken and Doug Hurley, this launch will be the second attempt. The first launch attempt, on May 27th, was postponed due to poor weather conditions.

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Mathematics and Computer Science

Here are encyclopedic articles on abstract concepts applied to many branches of science. They unify foundations of mathematics with computing. Mathematics is an essential tool in computing, but computing is used as a main component in mathematical problem solving. These topics cover all branches of mathematics, statistics, computer science, data analysis, machine learning and information science.

Mathematics

Calculus, algebra, geometry, topology, logic, statistics and related topics
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Data Analysis

Analysis techniques, data mining, algorithms and visualization
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Computers

Computers, computational methods and programming languages
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Software

Software (computer programs and libraries) organized by topic
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Natural, Formal and Social Sciences

Here are article related to specific sciences organized by topic.

Astronomy

Universe, celestial objects, cosmology, space science and exploration
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Biology

Different areas of biology and related
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Medicine

Different areas of medical sciences, health and related
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Chemistry

Composition, structure and properties of matter
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Philosophy

Questions about existence, values, knowledge, reasons and mind
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Physics

All about physical sciences and related
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Earth

Sciences about the planet Earth
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Social

Topics related to social sciences and humanity
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Finance

Market and financial calculations
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Engineering

Design and manufacturing of complex products
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Unsolved

Unexplained problems and unusual observations
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Companies, Organizations and People

Here are articles about organizations, companies and people contributing to research and technology. They serve to support the citations in HandWiki research articles and books.

Organizations

Organizations contributing to science and technology
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Companies

Companies contributing to science and technologies
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Biographies

Biographies of researches in science and technology
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Books, Monographs, Manuals and Tutorials

Here are books, monographs and tutorials. Books and manuals are organized as collections of articles, and typically span many wiki pages. A monograph discusses a detailed study of a single specialized subject. Monographs use a single wiki page.