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追念前辈以励后人（下）──写于华印椿老先生百岁诞辰之前姜士贤五、维护荣誉无私无畏日本数学史专家三上义夫在其所著《中国算学的特色》一书第斗一二章末段说：“此种算盘（指《算学通轨》和《算法统宗》二书所举算盘图示）或出于《数术记遗》之‘珠算’。然梁上改一珠...
Remembrance of predecessors to inspire future generations (below) ─ ─ Write in India before the centenary of the old man jinsheng Jian Shixian V. Prestige selflessness fearlessness Japanese math history expert Three Shang Yifu in his book, “the characteristics of Chinese arithmetic” a book The last chapter of the first bucket, said: “This type of abacus (referring to the” arithmetic guide “and” algorithm Uemitsu “two books as abacus icon) or for” counting Shuji "of the abacus. Change a bead ...