square function
Computing term for a function that squares its input. Used in programming and mathematical contexts.
This program uses a square function to square numbers.
二乗 is the mathematical operation of squaring, while 二乗機能 refers specifically to a function or feature that performs squaring, often in a computing context.
Compound of 二乗 (squaring) and 機能 (function, feature). A straightforward technical term.