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  2. AP Environmental Science - Wikipedia

    en.wikipedia.org/wiki/AP_Environmental_Science

    Advanced Placement (AP) Environmental Science (also known as APES, AP Enviro, AP Environmental, AP Environment, or AP EnviroSci) is a course and exam offered by the American College Board as part of the Advanced Placement Program to high school students interested in the environmental and natural sciences. AP Environmental Science was first ...

  3. Solar-powered calculator - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_calculator

    Solar-powered calculators are hand-held electronic calculators powered by solar cells mounted on the device. [1] They were introduced at the end of the 1970s. [2]Amorphous silicon has been used as a photovoltaic solar cell material for devices which require very little power, such as pocket calculators, because their lower performance compared to conventional crystalline silicon solar cells is ...

  4. Siemens Introduces Environmental Impact Calculator - AOL

    www.aol.com/news/2012-10-02-siemens-introduces...

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  5. HP-16C - Wikipedia

    en.wikipedia.org/wiki/HP-16C

    HP has never made another calculator specifically for programmers, [2] but has incorporated many of the HP-16C's functions in later scientific and graphing calculators, for example the HP-42S (1988) and its successors. Like many other vintage HP calculators, the HP-16C is now highly sought-after by collectors. [14]

  6. Environmental Performance Index - Wikipedia

    en.wikipedia.org/wiki/Environmental_Performance...

    The Environmental Performance Index (EPI) is a method of quantifying and numerically marking the environmental performance of a state's policies, highlightning the degradation of the planet's life-supporting systems on which humanity depends. A world economy that continues to rely heavily on fossil fuels translates into ongoing air and water ...

  7. Timeline of major U.S. environmental and occupational health ...

    en.wikipedia.org/wiki/Timeline_of_major_U.S...

    1970 – Reorganization Plan No. 3 created the Environmental Protection Agency (EPA) by Presidential Executive Order 1970 – Clean Air Act (Extension) . Major rewrite of CAA, setting National Ambient Air Quality Standards (NAAQS), New Source Performance Standards (NSPS) Hazardous Air Pollutant standards, and auto emissions tailpipe standards.

  8. HP 49/50 series - Wikipedia

    en.wikipedia.org/wiki/HP_49/50_series

    There are five calculators in the 49/50 series of HP graphing calculators. These calculators have both algebraic and RPN entry modes, and can perform numeric and symbolic calculations using the built-in Computer Algebra System (CAS) , which is an improved ALG48 and Erable combination from the HP 48 series .

  9. Environmental technology - Wikipedia

    en.wikipedia.org/wiki/Environmental_technology

    Environmental technology courses are oriented towards producing electronic, electrical, or electrotechnology graduates capable of developing devices and artifacts that can monitor, measure, model, and control environmental impact, including monitoring and managing energy generation from renewable sources and developing novel energy generation ...