HP -20S Owner's Manual page 65

Scientific calculator
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Keys:
Display:
()
(]
00-
= &)
01- 51 11
02- 55
()
03- 61 22
=)
04- 45
4
05- 4
=)
06- 74
Y
Description:
Enters Program mode.
Clears any previously
stored programs.
Enters the keystrokes
that create the
program.
Exits Program mode.
Now try running this program to find the area of a pipe with a diam-
eter of 5 inches.
Keys:
Display:
0.0000
(=l
an
0.0000
5
19.6350
Description:
Clears the display.
Goes to the first line of
the program.
The answer!
6: Programming
63

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