代数函数是指只包含常数与自变量相互之间有限次的加、减、乘、除、有理指数幂和开方六种运算的函数。非代数函数则被称为超越函数。

表示一抛物线的方程，一以x为变量的二次代数函数。

In mathematics, an algebraic function is a function that can be defined as the root of a polynomial equation. Quite often algebraic functions can be expressed using a finite number of terms, involving only the algebraic operations addition, subtraction, multiplication, division, and raising to a fractional power.