HP HP-65 - Page 11

without a prefix, a top row key finds and
executes a user defined function. = Used
as suffix for (1135) and (131). =
Precaution: Power on automatically in-
serts 5 functions [} - @ in memory. Press
[ [Prcv ] in W/PRGM mode to clear
them. = Top ro ‘ tack lift un
116
Absolute Value. If x is negative,
mdkes it posmve m S 1 Last X. =
g ) v
See T15.
@ See
117
[6HS Change Sign. Changes the sign of the
number in the stack X register unless the
[EEX key has been pushed; in this case the
exponent sign is reversed, instead. = First
non zero digit of a number entry gives x
a positive sign. ® Once a number is ter-
minated (by a key other than a digit, CHS
or [EEX ), the [GHS key cannot reverse the
exponent sign. In such a case [CHS re-
verses the sign of the number. = No effect
118
[CLX Clear X Register. )i:! stack lift
Key Dictionary