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  2. Examination for the Certificate of Competency in English

    en.wikipedia.org/wiki/Examination_for_the...

    The ECCE Certificate is recognized at the B2 level of the Common European Framework of Reference for Languages (CEFR). Test takers are given a numeric score for each section of the test so they can see the areas in which they have done well and the areas in which they need to improve. An ECCE qualification is valid for life.

  3. Examination for the Certificate of Proficiency in English

    en.wikipedia.org/wiki/Examination_for_the...

    UK (e.g. University of Manchester, Manchester Business School) United States (e.g. University of California, Davis) Uruguay (e.g. Instituto de Profesores Artigas (IPA)). In 2014, the ECPE was used by test takers with 33 different first language backgrounds (the largest being Albanian, Arabic, Greek, Portuguese and Spanish).

  4. Cambridge Assessment English - Wikipedia

    en.wikipedia.org/wiki/Cambridge_Assessment_English

    Cambridge Assessment English or Cambridge English develops and produces Cambridge English Qualifications and the International English Language Testing System ().The organisation contributed to the development of the Common European Framework of Reference for Languages (CEFR), the standard used around the world to benchmark language skills, [2] and its qualifications and tests are aligned with ...

  5. Michigan English Test - Wikipedia

    en.wikipedia.org/wiki/Michigan_English_Test

    The MET is not used as an admissions test for students applying to university and colleges in the US, Canada and the UK. CaMLA provides the Michigan English Language Assessment Battery (MELAB) for this purpose. [3] In 2014, the MET was used by test takers with 25 different first language backgrounds (the largest being Albanian, Portuguese and ...

  6. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    The Arithmometer, invented in 1820 as a four-operation mechanical calculator, was released to production in 1851 as an adding machine and became the first commercially successful unit; forty years later, by 1890, about 2,500 arithmometers had been sold [16] plus a few hundreds more from two arithmometer clone makers (Burkhardt, Germany, 1878 ...

  7. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.

  8. Scientific calculator - Wikipedia

    en.wikipedia.org/wiki/Scientific_calculator

    TI's long-running TI-30 series being one of the most widely used scientific calculators in classrooms. Casio, Canon, and Sharp, produced their graphing calculators, with Casio's FX series (beginning with the Casio FX-1 in 1972 [9]). Casio was the first company to produce a Graphing calculator (Casio fx-7000G).

  9. Quantum ESPRESSO - Wikipedia

    en.wikipedia.org/wiki/Quantum_ESPRESSO

    Quantum ESPRESSO (Quantum Open-Source Package for Research in Electronic Structure, Simulation, and Optimization; QE) [2] [3] is a suite for first-principles electronic-structure calculations and materials modeling, distributed for free and as free software under the GNU General Public License.