Keysight Technologies P Series Programming Manual page 112

1 Power Meter Remote Operation
<NAN> Definition
Not a number (NAN) is represented as 9.91 E37. Not a number is defined in
IEEE 754.
<non-decimal numeric> Definition
Throughout this document <non-decimal numeric> is used to represent numeric
information in bases other than ten (that is, hexadecimal, octal and binary). The
following syntax diagram shows the standard for these three data structures. For
examples, #HA2F, #ha4e, #Q62, #q15, #B01011.
112 Keysight N8262A Programming Guide