Last Updated
：2025/11/20
NaN
Noun
abbreviation
acronym
alt-of
countable
uncountable
Japanese Meaning
数ではない（Not a Numberの略）。 / 計算において定義不能または表現不可能な数値
（ plural ）
Quizzes for review
(computing) Acronym of not a number: applied to numeric values that represent an undefined or unrepresentable value, such as zero divided by itself.
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NaN
When the program tried to compute 0/0, it returned NaN, which caused the data validation to fail.
See correct answer
When the program tried to compute 0/0, it returned NaN, which caused the data validation to fail.
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