珠算控帶四時經緯三才
珠算控帶四時經緯三才
到一面一分以定算位，位各五珠，上一珠與下匹珠色别，其上别色之珠，當其下四珠，珠各當一，至下四珠所領，故云控帶四時。其珠游於三方之中，故云經緯三才也。
End of chapter
Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji
數術紀遺
珠算控帶四時經緯三才
27 / 34
Loading…
Tap a character in the text and it is boxed on the scan; tap a box on the scan to locate it in the text.Press ? for all shortcuts.