Plus and minus of calculators

“Madam, – Well over 40 years ago, as a lecturer in economics at Trinity College Dublin, I circulated a set of formulae with the statistics exam papers. I also permitted the use of calculators at examinations. When more sophisticated calculators became available, it was a requirement that all working should be shown, and not just the final answer …” (more)

[Patrick M Lyons, Irish Times, 25 February]

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