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HandWiki Encyclopedia of Science and Computing

HandWiki is a wiki encyclopedia for collaborative editing of articles on science, technology and computing. Registered users can post and edit articles, books, manuals and tutorials. Login or request account using the top-right menu. Read more here.

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Apr 26, 2021: References can be imported from arXiv.org
Apr 2, 2021: Use HandWiki sandbox for drafts
Mar 24, 2021: Export to ZWI file format
Mar 12, 2021: Migrated to MW 1.35. If you have problems with login, please re-register.
Dec 27, 2020: Part of factseek.org and encyclosearch.org.
Dec 20, 2020: Deployment of a fast search engine.
Oct 17, 2020: 1st year birthday celebration with 300k scholarly articles.
Aug 19, 2020: Restored 15200 scholarly articles removed from Wikipedia in 2018 & 2019.

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Featured Article

Nikola is an American company that devolves zero-emission vehicle concepts since 2016. The company has stated on several occasions that it intends to take some of its concept vehicles into production in the future. Nikola Corporation is based in Phoenix, Arizona.

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JEdit is a free mature programmer's text editor with hundreds (counting the time developing plugins) of person-years of development behind it. Read More..

6174 is the Kaprekar's constant, but it is often called "magic number". At first glance, the number 6174 looks like any other number, but .. Read More..

In 2021 DMelt project released one of the fastest search engines for data science topics with the focus on Python, Java and Groovy. Read More..

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Mathematics and Computer Science

Here are articles on abstract concepts related to computing in a broad sense. Such topics unify foundations of mathematics with computations using computers, and can be applied to many branches of science, finance or technology. Mathematics is an essential tool in computing, but computers are used as a main tool 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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Computer concepts

Theory of calculations with computers, computer terms and programming languages
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Natural, Formal and Social Sciences

Here are articles related to natural, formal and social sciences.

Astronomy

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

Studies of life and living organisms
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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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Unsolved

Unexplained problems and unusual observations
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Technology, Tools and Finance

Here are articles dedicated to various technology topics (building complex devices and machines), software (computer programs and operating systems) and finance (study of money and investments).

Engineering

Design and manufacturing of complex devices and machines
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Software

Computer programs and libraries organized by topics
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Finance

Finance, business, market and financial calculations
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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.