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.

2013年7月12日 · No. NaN is not a character-level concept but a concept in floating-point formats and in many programming languages.

4 天之前 · 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 finite number.

In computing, NaN stands for Not a Number. It means the result of input is or unrepresentable. For example, division by zero in most Programming language returns NaN. Systematic use of NaN was introduced by the IEEE 754 in 1985, along with the other numbers such as infinities.

Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases.

2023年6月8日 · NaN (Not a Number) is a numeric data type that means an undefined value or value that cannot be represented, especially results of floating-point calculations.

2024年8月18日 · NaN is a property of the global object. In other words, it is a variable in global scope. In modern browsers, NaN is a non-configurable, non-writable property. Even when this is not the case, avoid overriding it. There are five different types of operations that return NaN:

2019年12月14日 · In computing, NaN, standing for not a number, is a member of a numeric data type that can be interpreted as a value that is undefined or unrepresentable, especially in floating-point arithmetic.

NaN is the symbol used by the functions in the Computer Arithmetic Package to represent a nonrepresentable number.

2023年2月6日 · NaN, an acronym for Not a Number is an exception that usually occurs in the cases when an expression results in a number that is undefined or can’t be represented.