HP 12C Platinum Owner's Handbook Manual page 95

And problem-solving guide
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Keystrokes
Display
(RPN mode)
6.75?0
6.75
fCLEAR²
0.00
13
13.
\
13.00
68.5
68.5
§
890.50
?+1
890.50
:0
6.75
b
60.11
?+2
60.11
+
950.61
?+3
950.61
Now, we'll store the program in program memory. Do not key in the quantity and
cost of each item; these numbers will vary each time the program is run.
Keystrokes
Display
(RPN mode)
fs
000,
fCLEARÎ
000,
§
001,
gu
002,
?+1
003,44 40
:0
004,45
b
005,
gu
006,
?+2
007,44 40
+
008,
?+3
009,44 40
Section 8: Programming Basics
Stores tax rate in R
Clears the registers in R
R
.
6
Keys in quantity of item.
Separates quantity of item from
cost of item to be keyed in next.
Keys in cost of item.
AMOUNT.
Adds AMOUNT to sum of
AMOUNT entries in register R
Recalls tax rate to display.
TAX.
Adds TAX to sum of TAX entries
in register R
.
2
TOTAL.
Adds TOTAL to sum of TOTAL
entries in register R
Sets calculator to Program mode.
Clears program memory.
20
31 Pauses to display AMOUNT.
43
1
0
25
31 Pauses to display TAX.
43
2
40
3
97
.
0
through
1
.
1
.
3

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