HP HP-11C User Manual

Section 5: Programming Basics 83
see an example. Press once. Your HP-11C’s display will now
show the keycode for the second instruction of the heat loss
program:
002- 3
~—
St
Line Number —4 4— Keycode
We know that 002- is the program
line number. The “3” denotes, in this Keys Keycode
case, the number 3. The box at the & 42 3
right shows how the keycode would 3 > 3
change when the “3” key is used with & 43 3
or without the [f]and [g] prefix keys.
The remaining keystrokes for the heat loss program are shown
below with their corresponding displays. Press each key in turn
and verify the keycodes shown in the display.
Keystrokes Display
0 003- 0 The “0” digit key.
004- 20 The 2" row, 10tP key.
) 005- 48 The 4! row, 8P key.
4 006- 4 The “4” digit key.
7 007- 7 The“7” digit key.
008- 20 The2nd row. 10th key.
(g][RTN] 009- 43 32 Denotes end of program.
(9] Sets calculator to Run
mode.
Programming Operations
The preceding topic, keycodes, covered individual program
instructions. Now let’s take some time to examine the details of a
complete programming process. The following paragraph
describes a new program we can create to help illustrate the steps
involved in programming.
If you want to manually calculate the area of a circle using the
formula A = 7r? you could first key in the radius r, then square it by
pressing g ][x?]. Next you would place = in the display by pressing

HP HP-11C Specifications

General

Brand	HP
Model	HP-11C
Category	Calculator
Language	English