原函数

Traditional form:

原函數

Pinyin (reading):

yuánhánshù

Definitions:

• antiderivative

Characters:

• 原 - source, origin, beginning
• 函 - correspondence; a case, a box
• 数 - count, number, several

Traditional characters:

• 原 - source, origin, beginning
• 函 - correspondence; a case, a box
• 數 - count, number, several