Energy
DOE's home page is organized by topic, including Data and Prices, Efficiency, Environmental Quality, National Security, Science and Technology, and Sources and Production.
http://Energy.gov/百度权重：
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收录时间：2025-05-22Easycalculation
Features calcutors for arithmetic functions, scientific computations, binary conversions, areas, finanical interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculations, as well as for measuring bandwidth.
http://Easycalculation.com/百度权重：
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收录时间：2025-05-21desmos
Online graphing calculator. Free to use, supports hundreds of simultaneous equations, and supports interactive exploration via sliders.
http://www.desmos.com/百度权重：
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收录时间：2025-05-20Cran.r-project
Network of FTP and Web servers around the world that store identical, up-to-date, versions of r code, documentation.
http://Cran.r-project.org/百度权重：
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收录时间：2025-05-20Rmit.edu
Royal Melbourne Institute of Technology is one of Australia’s original and leading educational institutions, producing some of Australia’s most employable graduates. An innovative, global university of technology, with its heart in the city center of Melbourne. RMIT also has campuses located outwith Melbourne in regional Victoria, in Vietnam, and runs courses online, by distance education, and at partner institutions throughout the world, the University is one of the largest in the country.
http://Rmit.edu.au/百度权重：
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收录时间：2025-05-17Blueletterbible
Searchable King James Version, with Greek text for each New Testament verse in graphics form (no font software needed, but no breathings or accents). Hebrew text for Old Testament.
http://Blueletterbible.org/百度权重：
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收录时间：2025-05-21Socalgas
Services residential and business clients. Includes options to pay bill online, request services, along with information pertaining to builder services, consulting services, regulatory and safety.
http://Socalgas.com/百度权重：
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收录时间：2025-05-22Pnas
Multidisciplinary journal covering the biological, physical, and social sciences. Published biweekly. Archives go back to January 1996. Subscription required for full site access.
http://Pnas.org/百度权重：
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收录时间：2025-05-23btc-e
A cryptocurrency exchange based in Bulgaria where users can trade Bitcoins, Litecoins, and Namecoins, for Dollars, Euros and Rubles.
http://btc-e.com/百度权重：
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收录时间：2025-05-23Physicsforums
Bulletin boards on physics and related subjects. Includes related polls and a list of active threads.
http://Physicsforums.com/百度权重：
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收录时间：2025-05-23
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