Calculators should be banned from Maths classes. They are OK in subjects such as physics or design & technology, but calculators add as little value to maths classes as paint by numbers does to art. And, while the UK worries about numeracy, perhaps they could also concentrate on language. I'm appalled by the lousy grammar in England, and it amazes me how impressed British people can be by those who are fluent in another language. Mental arithmetic should be exercised at primary school level, and at secondary school pupils should be encouraged to solve problems, not compute answers.