| Once data have been collected from an experiment, it is
often useful to present them in graphical form. This can be done by using
a calculator but, if a computer is available, it can also be done by the
spreadsheet package Excel. |
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Charles Babbage (1792-1871)
English mathematician and inventor. Worked on an analytical
engine to be programmed to perform a sequence of arithmetical
operations. Pioneer of the computer. |
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