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巴斯卡加法器
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巴斯卡加法器
bā sī kǎ jiā fǎ qì
西元一六四二年法国数学家巴斯卡Pascal发明的计算器，是人类第一部机械式计算工具。利用特殊齿轮设计，以推动执行进位，直接演算加减法。至于乘法及除法，则以连续的加法、减法替代。也作「巴斯加计算器」。
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更新时间：2026/6/10 7:57:31