HP HP-15C - Page 72

72 Section 6: Programming Basics
Keystrokes
Display
´bA
001-42,21,11
Assigns this program the label

O 0
002- 44 0
Stores the contents of X-register
into R
0
. r must be in the X-
register before running the
program.
|x
003- 43 11
Squares the contents of the X-
register (which will be r).
|$
004- 43 26
*
005- 20
r
2
, the BASE AREA of a can.
O 4
006- 44 4
Stores the BASE AREA in R
4
.
O + 1
007-44,40, 1
Keeps a sum of all BASE
AREAS in R
1
.
¦
008- 31
Stops to display BASE AREA
and allow entry of the h value.
*
009- 20
Multiplies h by the BASE
AREA, giving VOLUME.
´ ©
010- 42 31
Pauses briefly to display
VOLUME.
O + 2
011-44,40, 2
Keeps a sum of all can
VOLUMES in R
2
.
l 0
012- 45 0
Recalls r.
÷
013- 10
Divides VOLUME by r.
2
014- 2
*
015- 20
2 rh, the SIDE AREA of a can.
l 4
016- 45 4
Recalls the BASE AREA of the
can.
2
017- 2
Multiplies base area by two (for
top and bottom).
*
018- 20