Ming Antu calculation of 100 segment chord.JPG
Ming Antu  (18 century)
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Ming Antu calculation of 100 segment chord, Chinese mathematics
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Ming Antu calculation of 100 segment chord, Facimile of Ming Antu's calculation of 100 segment chord, Facsimile of Ming Antu's calculation of 100 segment chord
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明算百分音符の計算
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明算百分音の計算、明算百分音の計算、明算百分音の計算
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calculation segment