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Representation of NaN (Not a Number)
Source position: syshelph.inc line 325
| public const TExtendedHelper.NaN: Extended = 0.0 / 0.0; | 
NaN is the Representation of NaN (Not a Number) for a Extended-sized floating point type.
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 | Largest possible value for the Extended floating point type | |
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 | Smallest (negative) possible value for the Extended floating point type | |
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 | Precision for this floating point type | |
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 | Positive infinity as represented by a Extended floating point type | |
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 | Negative infinity as represented by a Extended floating point type |