noun
mathematical function
Computing term for a function that performs a mathematical operation, such as those found in programming languages or spreadsheet software.
このプログラミング言語には多くの数学関数が組み込まれている。
This programming language has many built-in mathematical functions.
表計算ソフトで数学関数を使って平均を求めた。
I used a mathematical function in the spreadsheet software to calculate the average.
Compound of 数学 (mathematics) and 関数 (function). A straightforward modern technical term.