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Section 8: Programming Basics 109
File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 109 of 275
Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm
Since keystroke sequences beginning with
f
,
g
,
?
,
:
, and
i
are stored
in only one program line, the display of that line would show the keycodes for all
the keys in the keystroke sequence.
Instruction Keycode
gÒ
nnn, 43 26
?=
0
nnn, 44 40 0
gi
000
nnn,43,33,000
Displaying Program Lines
Pressing
fs
to set the calculator from Run mode to Program mode displays the
line number and keycode for the program line to which the calculator is currently
set.
Occasionally you’ll want to check several or all of the instructions stored in
program memory. The hp 12c platinum enables you to review program instructions
either forward or backward through program memory:
z Pressing Ê (single step) while the calculator is in Program mode advances
the calculator to the next line in program memory, then displays that line
number and the keycode of the instruction stored there.
z Pressing gÜ (back step) while the calculator is in Program mode sets the
calculator back to the previous line in program memory, then displays that
line number and the keycode of the instruction stored there.