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...Working for Water Programme (WWP) case study... Diagram guidelines Purpose Tony Buzan originally developed spray diagrams in 1974 together with mind maps, which look similar (Buzan, 1974). Spray diagrams are a simple, fast technique for extracting the important ideas from a situation, conversation, presentation or written article and getting them down on paper in a way...

...work out how long it has taken to fall. Mathematics provides a natural medium for rational argument. Given an equation that relates various quantities, the rules of mathematics allow that equation to be re-expressed in a number of different but logically equivalent ways, all of which are valid if the original equation was valid. Given two equations, mathematical reasoning...

...work needed to do complicated calculations, such as those required in astronomy and navigation. Napier’s ‘excellent brief rules’ were quickly adopted and improved upon. This OpenLearn course provides a sample of Level 2 study in Mathematics...This free course looks at Scotsman John Napier (1550-1617) and his invention which radically altered the course of...