HP 9100B Operating & Programming Manual page 111

PROGRAMMING THE 91008
STEP SAVING
Foflowing are more step-saving hints.
lf a constant is required during a program this can be entered
as program steps, thus saving part of a storage register. This
ts particularly
valuab~e
when used in a subroutine.
STEP KEY
22
ROLL
f.
23
2
24
•
25
1
26
3
27
after step 26, 2.13 will be in the X register.
Powers of 10 can be entered ustng the ENTER EXP key:
STEP KEY
22
t
23 ENTER EXP
24
4
25
after step 24, 1 x 10
4
(10,000) will be in the X register.
To multiply by 2; use the plus{+) instruction:
STEP KEY
34
rr
35
t
36
+
37
after step 36, 2 11' will be in t he Y register.
ENTER
CO S
01