HP 12C Financial calculator - Manual (Page 99)

Section 8: Programming Basics 99
File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 99 of 209
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Pressing the gu keys is not necessary when we do the calculations manually,
since in Run mode the result of every intermediate calculation is displayed
automatically; but we’ll include u instructions in the program so that the
intermediate results AMOUNT and TAX are automatically displayed when the
program is executed.
Keystrokes Display
6.75?0 6.75
Stores tax rate in R
0
.
fCLEAR² 0.00
Clears the registers in R
1
through
R
6
.
13 13. Keys in quantity of item.
\ 13.00 Separates quantity of item from
cost of item to be keyed in next.
68.5 68.5 Keys in cost of item.
§ 890.50 AMOUNT.
?+1 890.50 Adds AMOUNT to sum of
AMOUNT entries in register R
1
.
:0 6.75 Recalls tax rate to display.
b 60.11 TAX.
?+2 60.11 Adds TAX to sum of TAX entries
in register R
2
.
+ 950.61 TOTAL.
?+3 950.61 Adds TOTAL to sum of TOTAL
entries in register R
3
.
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
fs 00- Sets calculator to Program
mode.
fCLEARÎ 00- Clears program memory.
§ 01- 20
gu 02- 43 31 Pauses to display AMOUNT.
?+1 03- 44 40 1
:0 04- 45 0
b 05- 25