HP 9100B Operating & Programming Manual page 27

This section descnbes the function of a II switches and keys ex-
cept those used for programming only, which are described
under programming. Each key is fully described , in a logical
'learn -the keyboard ' sequence, in two parts-a briet explanation
in bold pnnt, which may be used as a qu1ck reference, followed
by more detailed information with examples. The keyboard
presentation on Page
IV
is an index of the pages on wh1ch the
'bold print' explanations appear.
Whenever possible, you should Iook for the shortest method of
working a problern in order to reduce the number of steps re -
quired. This will save time when making calculations and will
prove invaluable when writing programs, where the number of
steps may be limited. Several step-sav1ng hints are included
with the examples in this section of the manual.
ln the examples, the keying instructions will be given in either
one of two formats, depending on which is the more suitable
presentation for the particular example:
Format (a)
PRESS:
CL EAR
PRESS:
5
2
0
ENTER
EXP
t
CHG
SIGN
in which the keys are pressed in the order shown,
from left to nght, top line, then secend line, etc .
Format (b)
STEP
KEY
STEP
KEY
1
CLEAR
5
5
2
2
6
0
3
ENTER EXP
7
t
4
CHG SIGN
in which the keys are pressed in STEP sequence 1, 2,
~· 4,
etc. Use of Format (b) will also ass1 st present
n~~ - programmers '
to make the transition to program
wnt1ng. as this is a simplified way of writing a pro-
gram.
I
THE KEYBOARD
17
INTRODUC I
S EP-SA