also: エヌ・エー・エヌ · エヌエーエヌ
noun
not a number; NaN
Computing term for a numeric data type value representing an undefined or unrepresentable result, such as 0/0. Often contrasted with 非数 (ひすう).
See also: 非数 (ひすう)
この計算結果はＮａＮになりました。
The result of this calculation became NaN.
プログラムで０を０で割ると、ＮａＮが返されることがあります。
In a program, dividing zero by zero may return NaN.
Japanese term for 'not a number'; more formal and less common than the loanword NaN.
From English 'not a number', abbreviated as NaN in computing.