noun
transcendental function
A mathematical term for a function that is not algebraic, such as exponential, logarithmic, or trigonometric functions.
指数関数は超越関数の一種です。
Exponential functions are a type of transcendental function.
Algebraic functions are the complement of transcendental functions; they can be expressed as roots of polynomial equations.
From 超越 (transcendence) + 関数 (function), a calque of English 'transcendental function'.