Jigu Suanjing
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| Authors | Wang Xiaotong |
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| Date of Reg. | |
| Date of Upd. | |
| ID | 2019360 |
About Jigu Suanjing
Jigu suanjing was the work of early Tang dynasty calendarist and mathematician Wang Xiaotong, written some time before the year 626, when he presented his work to the Emperor.