續一切經音義 2.146

2.146

曆筭（堯典云曆像日月敬授人時孔注云曆像其分節敬記天時以授人也下蘇貫反世本云黃帝時肄首所作也劉法九章孫子五曹皆計數術也說文曰筭長六寸計曆數者）。

曆筭 (calendar and calculation: the Canon of Yao states: “Calculated and delineated the sun, moon, and stars, respectfully imparting the seasons to the people.” Kong's commentary says: “He calculated and delineated their divisions and markers, respectfully recording the heavenly seasons to impart them to the people.” The second character is *s[ū]-gu[àn]* fan; the Shiben states: “In the time of the Yellow Emperor, it was created by Yishou.” Liu's Jiuzhang and Sunzi's Wucao are both arts of calculation. The Shuowen jiezi states: “A counting tally six inches long used for calculating calendars and numbers”).