http://www.naec.org.uk Calculators don't normally fit people's ideas of educational computing, but the need to calculate numerical tables for navigation, tides and gunnery was a major driving force for the invention of algorithms and computers, and thus calculators hold a special place in the historical development of computing at its most mathematical and its teaching. daily 1 2008-07-09T06:10:55Z http://www.naec.org.uk/stories/using-a-calculator-in-an-arithmetic-exam Using a Brunsviga mechanical calculator for O-Grade Arithmetic examination No publisher rmillwood calculator story 2008-07-30T06:43:39Z Page http://www.naec.org.uk/stories/calculators Hundreds of students using mechanical calculators in an examination makes a distracting noise No publisher pmaher calculator story 2008-07-15T15:22:21Z Page