Tag Archives: General Certificate of Secondary Education

Radians – AS Maths Revision – Core Mathematics (C2)


Briefly dismisses the sine and cosine rules (and SOHCAHTOA), then introduces radians, defines some terms for chopping up circles, and tells you why you should use radians. Ends with a warning. Continue reading

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Eqivalent Resistances and Kirchoff’s Laws – AS Electronics Revision


How to add resistors in series and parallel, what happens to current at junctions, and what happens to voltage in series Continue reading

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Histograms – AS Maths Revision – Statistics (S1)


I attempt to explain how to draw and use histograms Continue reading

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‘Coding’ and Measures of Dispersion – AS Maths Revision – Statistics (S1)


Standard Deviation, Interquartile Range, Coding, Uncoding and even plain old normal range Continue reading

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Import Protection (International Trade) – GCSE Business Studies Revision


Income Differences The world’s income isn’t distributed evenly – some countries have much higher incomes than others Developed countries are those with high incomes Low to middle-income¬†countries are called developing countries Developing countries often have no minimum wage Businesses from … Continue reading

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Finance Management (like a boss) – GCSE Business Studies Revision


Sorting out your cash flow Get an overdraft! Already got one? Get a BIGGER one! Improve your trade credit (ask suppliers if you can pay tomorrow… or the day after) Get more deposits… tell your new customers they can’t “pay¬†in … Continue reading

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Market Maps, Research and Segments – GCSE Business Studies Revision


Market Research This is research a business carries out into its customers and its competitors to help it improve its products/services There are different types of research: Primary research is research that the business conducts and collects itself (surveys, questionnaires, … Continue reading

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