Search the dictionary A Chinese word or character, or English Draw a character Search 6 entries. yuánhánshù 原函数 antiderivative yuánhánshù 原函數 antiderivative yuánhánshù 圆函数 circular function yuánhánshù 圓函數 circular function tuǒyuánhánshù 椭圆函数 elliptic function tuǒyuánhánshù 橢圓函數 elliptic function