Primary calculator, for it says, can be randomly generated questions, but also know scores.
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Learning Resources Primary Calculator 美国学习资源主计算器
primary calculator
主要的计算器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The move follows a government review of calculator use in primary schools.
BBC: Government bans calculators from primary maths tests
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