NaN

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NaN

NaN

(1) (Neighborhood Awareness Networking) See Wi-Fi Aware.

(2) (NaN) (Not ANumber) An undefined value, mostly occurring when a non-floating point number is computed by a floating point operation. For example, special characters are placed in the result field for a "quiet NaN," which the application can detect, or the floating point unit (FPU) can create a "signaling NaN" by causing an interrupt ("throwing an exception"). See floating point and math coprocessor.
References in periodicals archive ?
Go home will yer, ya ma's got cake - When a nan wants you out of her house and creates a cunning culinary diversion ?
NAN SENSE: If she doesn't see you through the week, she'll see you through the window - even if she couldn't take you to the Adelphi
Can't believe this is happening, you were more than just a Nan to us.