noun
numeric literal
Computing term for a number written directly in source code, such as 42 or 3.14.
プログラムの中で数字定数を使うときは、マジックナンバーを避けるべきだ。
When using numeric literals in a program, you should avoid magic numbers.
Compound of 数字 (number) and 定数 (constant), a direct translation of the English computing term 'numeric literal'.