HP HP-65 - Page 18

137
Common Log(x) ([ prefix) or 10 ([ pre-
fix). = =
gives error (blinking zero) if x is zero or
negative. =
138
Recall Last x to the X Register. =
139
Merged Codes. Program codes for the follow-
ing are merged with their respective pre-
fix codes: LsTx ], [NnoF], (2], [(R+],
[, £, E0.69.69, . .. @
when prefixed by $T0 or REEl. = Ex-
ample: & in program mode is
merged and displayed as 35 00; 80 (5]
as 33 05, etc. For explanation of codes,
see 9.
140
Integer Factorial. = Computes the factorial
of anonnegative integer n in the X register.
nl=1+2+:3«...*(n-1)*n
=1
" = Negative or non-
integer x gives error (blinking zero) = If
x exceeds 69, overflow occurs. =