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一台计算器打字机

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“打字机”非常古老的东西，现在也只能在博物馆见到，而打字机的键盘对后来计算机的键盘有很大启发。

“计算器打字机”其实就是一台计算器，结合了经典的打字机外形和输入方式，输入要计算的数字，按"="答案会自动显示，而这些均会打印在纸上，如果需要可撕下，随身携带随时查询，设计：Mintpass。

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