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English: Magic circle by Southern Song dynasty mathematician Yang Hui, redrawn by CMG Lee. Numbers on each circle and diameter (ignoring the middle "9") sum to 138.
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Author Cmglee

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Date/TimeThumbnailDimensionsUserComment
current 11:41, 7 September 2018 Thumbnail for version as of 11:41, 7 September 2018512 × 512 (4 KB)CmgleeFix misunderstanding of sums.
11:21, 7 September 2018 Thumbnail for version as of 11:21, 7 September 2018512 × 512 (4 KB)Cmglee{{Information |description ={{en|1=Magic circle by Southern Song dynasty mathematician Yang Hui, redrawn by CMG Lee. Numbers on circles (dotted grey) sum to 138 and numbers on spokes (solid coloured) sum to 78.}} |date = |source ={{own}} |author = User:Cmglee }} Category:Magic circles (mathematics)
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