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  2. Additional Mathematics - Wikipedia

    en.wikipedia.org/wiki/Additional_Mathematics

    Each question may contain from zero to three subsets of questions with marks ranging from 2 to 8 marks. The total weighting of the paper is 80 marks and constitutes 44% of the grade. Paper 2 (Duration: 2 hours 30 minutes): Questions are categorised into 3 sections: A, B and C. Section A contains 7 questions which must all be answered. Section B ...

  3. Raising and lowering indices - Wikipedia

    en.wikipedia.org/wiki/Raising_and_lowering_indices

    It is common convention to use greek indices when writing expressions involving tensors in Minkowski space, while Latin indices are reserved for Euclidean space. Well-formulated expressions are constrained by the rules of Einstein summation: any index may appear at most twice and furthermore a raised index must contract with a lowered index ...

  4. GCSE - Wikipedia

    en.wikipedia.org/wiki/GCSE

    However the exam papers of the GCSE sometimes had a choice of questions, designed for the more able and the less able candidates. When introduced the GCSEs were graded from A to G, with a C being set as roughly equivalent to an O-Level Grade C or a CSE Grade 1 and thus achievable by roughly the top 25% of each cohort.

  5. Edexcel - Wikipedia

    en.wikipedia.org/wiki/Edexcel

    In June, Paper 3 of the Mathematics GCSE (Higher Tier, 1MA1/03) appeared to contain an exam question which was published in an AQA (another British exam board) Further Mathematics textbook. The exam question had the same diagram, values and answer as the question in the textbook. Pearson Edexcel said that they were investigating how this might ...

  6. General Certificate of Education - Wikipedia

    en.wikipedia.org/wiki/General_Certificate_of...

    However, in England and Wales, the high school diploma is considered to be at the level of the General Certificate of Secondary Education (GCSE), which is awarded at Year 11. [5] [6] For college and university admissions, the high school diploma may be accepted in lieu of the GCSE if an average grade of C is obtained in subjects with a GCSE ...

  7. Discrete logarithm - Wikipedia

    en.wikipedia.org/wiki/Discrete_logarithm

    In mathematics, for given real numbers a and b, the logarithm log b a is a number x such that b x = a.Analogously, in any group G, powers b k can be defined for all integers k, and the discrete logarithm log b a is an integer k such that b k = a.

  8. Common Entrance Examination - Wikipedia

    en.wikipedia.org/wiki/Common_Entrance_Examination

    At 11+, Common Entrance consists of two English examinations, as well as an examination each in Mathematics and Science. [3]At 13+, Common Entrance consists of examinations in Mathematics (three papers: a (listening) mental mathematics paper, plus written non-calculator and calculator); English (two papers); and one paper each in Latin, Classical Greek, Geography, History, Religious Studies ...

  9. Hardgrove Grindability Index - Wikipedia

    en.wikipedia.org/wiki/Hardgrove_Grindability_Index

    Hardgrove Grindability Index (short HGI) is a measure for the grindability of coal. Grindability is an index, therefore it has no unit. The smaller the HGI, the harder is coal texture and less grindable is the coal. Grindability is an important factor for the design a coal mill.