Side tongquyu(páng tōng qǔ chàng)

Side tongquyu

The Chinese idiom, Pinyin is p á NGT ō ngq ǔ ch à ng, which means universal access; the same as "pun Tong Qu Chang". From the preface to Tianyuan arithmetic.

The origin of Idioms

In Feng Guifen's preface to Tianyuan arithmetic in Qing Dynasty, it is said that "the source of both sides can be found, while the source of others can be found."

Chinese PinYin : páng tōng qǔ chàng