In computing, NaN (/ næn /), standing for Not a Number, is a particular value of a numeric data type (often a floating-point number) which is undefined as a number, such as the result of 0/0.

Jul 8, 2025 · To tell if a value is NaN, use Number.isNaN() or isNaN() to most clearly determine whether a value is NaN — or, since NaN is the only value that compares unequal to itself, you …

Jan 9, 2025 · NaN stands for "Not a Number" and is a value that indicates an undefined or unrepresentable result in numerical computations. It is commonly found in programming …

Garnish with ginger and serve hot with nan or rice. Meals consisted mainly of rice, mutton, and naan. The curry was rich and creamy, perfect to dip the nan bread into. The serving platter can …

Oct 11, 2024 · NaN is a special value used in floating-point arithmetic to represent values that are undefined or unrepresentable, especially in the context of complex calculations and data …

Jul 15, 2025 · NaN, which stands for "Not a Number," is a special value in JavaScript that shows up when a mathematical operation can't return a valid number. This can happen if you try …

Definition of nan in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Mar 4, 2022 · Short for "Not a Number", even its name is a paradox. Only floating-point values can be NaN, meaning that from a type-system point of view, only numbers can be "not a …

Dec 3, 2025 · In the IEEE 754-2008 standard (referred to as IEEE 754 henceforth), NaN (or "not a number") is a symbolic floating-point representation which is neither a signed infinity nor a …

nan in British English (næn ), nana or nanna (ˈnænə ) noun a child's words for grandmother