徐岳

徐岳(?—220年),字公河东莱人,东汉末年数学家天文学家

生平

徐岳曾隨劉洪學《乾象曆》,徐岳潛心研究月球運動,進一步完善《乾象曆》。黃初年間,太史丞韓翊以為《乾象曆》不精確,遂自造《黃初曆》。韩翊與徐岳就乾象历与黄初历的优劣进行了一场辩论,徐岳在曆法辯論會中指出:“效曆之要,要在日蝕。”徐岳還把《乾象曆》傳授給東吳中書令闞澤。後來阚泽为刘洪的《乾象历》做注,并且在东吴推行该历法。徐岳首次提出了“珠算”的概念。[1]曹魏黄初元年(220年)卒。著有《术数记遗》一卷。《隋书经籍志》记载,徐岳曾有两部有关《九章算术》的著作。[2]

参考文献

  1. ^ 徐岳《數術記遺》有云:“珠算﹐控帶四時﹐經緯三才。”甄鸾注云:“刻板为三分,位各五珠,上一珠与下四珠色别,其上别色之珠当五,其下四珠各当一。”
  2. ^ 郭书春主编 《中国科学技术史 数学卷》第173页

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