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HP HP-20S - Page 76

HP HP-20S
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Keys:
Display:
Description:
(=]
Enters
Program
mode.
(]
00-
Clears
program
mem-
ory.
(Skip
this
step
to
leave
programs
intact.)
(]
E
01-
61 41
E
Labels
program
”E”.
1
02-
22
1
Recalls
a
from
R;.
]
&2
03- 51
11
a’.
04-
75
2 05-
22
2
Recalls
b
from
R,.
Y
Ed
06-
51
11
b2.
(=]
07-
74
a?
+
b2,
08-
11
+
fd
09-
61
26
(«]
3902
Checksum
(page
66).
(=)
Exits
Program
mode.
Now
store
the
a
and
b
values
of
22
and
9
into
R;
and
R,
then
run
the
program:
Keys:
Display:
Description:
22(s10]
1
22.0000
Stores
a
in
R;.
9
2
9.0000
Stores
b
in
R,.
E
23.7697
Length
of
the
hypotenuse.
74
6:
Programming

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