For 30 years we've been able to buy calculators that can hugely surpass us at arithmetic.

三十年里，我们一直能买到计算能力大大超过人类的计算器。

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For the average person, his only option is to hire expensive accountants who punch numbers into calculators and help you do middle school arithmetic.

对于普通人来说，他唯一的选择是花一堆的钱来雇一个会计师，请他把数字输入计算器，帮你做中学会就会做的算术。

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If in the seventies, some students argued that pocket calculators made it senseless to do arithmetic by hand, now the very value of sole authorship is called into question.

FORBES: Is Teaching Collaboration The Catch-22 Of Education?

Ms Truss said an over-reliance on calculators meant children missed the rigorous grounding in mental and written arithmetic they needed to progress.

BBC: Government bans calculators from primary maths tests