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来自维基百科,自由的百科全书
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》。韓翊與徐岳就乾象曆與黃初歷的優劣進行了一場辯論,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。後來闞澤為劉洪的《乾象曆》做注,並且在東吳推行該曆法。徐岳首次提出了「珠算」的概念。[1]曹魏黃初元年(220年)卒。著有《術數記遺》一卷。《隋書經籍志》記載,徐岳曾有兩部有關《九章算術》的著作。[2]
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