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Merged Keycodes
To conserve program memory when using prefixed functions,
the keycodes for the prefix and the function are merged into one
step. For an exampleof this press the second key of the program,
, and the display will change to:
01
15 02
The two-number code 01 thathas appeared on the left side of the
display designates the step number of program memory that is
being displayed. The two pairs of numbers on the right side of
the display indicate that the function [}
has been recorded
inthat step (01) of program memory. Digits 1 and 5denote the £}
key. Digits 0 and 2 denote the[2]key. The operation stored then,
is B} [2) which is the x? function. Inevery case, a single operation
(e.g., {il (=],
,
) uses only one step of program
memory.
Each operation, prefixed or not, requires only
one step of program memory.
The keys for finding the area of a sphere and their corresponding
displays are shown below. Press each key in turn and verify the
keycode shown in the display.
Key
Display
B
[o1
15 02
a
02
15 73
03
61
In this case, a program consisting offive keystrokes takes only
three steps of program memory.
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