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Section 4: Using HP-41C Functions 62
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The only key locations that cannot be reassigned are:
g ,
ON ,
USER ,
PRGM , and
ALPHA . Any function that appears in
the CATALOG can be reassigned to any location. Numbers and
ALPHA characters, however, cannot be reassigned. The ALPHA
mode functions ( AVIEW ,
APPEND ,
ASTO ,
ARCL ) can be reassigned
to the keyboard for execution in USER mode.
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If you attempt to assign (using ASN )
a function whose name does not exist in the calculator,
the HP-41C will display
NONEXISTENT.
The ASN function cannot be recorded
as an instruction in program memory.
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There are 68 key locations that can be reassigned. To assign
or reassign a function to a key location:
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1.
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Press g
ASN . The HP-41C prompts you for the
function name with
ASN _.
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2.
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Press ALPHA to place the HP-41C in
ALPHA mode and enter the name of the function you wish to
assign.
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3.
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Press ALPHA to place the HP-41C back
into normal mode.
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4.
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Press the key (or
g and the
key) to which you wish the function assigned. If you hold the
key down, the display will show function name and the
reassigned key by keycode.
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Keycodes are a row-column identification of a key location.
For example, the keycode for the
LN key is 15. The 1 indicates
the first row and the 5 indicates the fifth key.
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The keycodes for shifted key locations are keycodes
prefixed with a – (minus sign). For example, the
keycode for the ex key
(shifted LN ) is – 15.
The – indicates a shifted key, the 1 indicates the first
row, and the 5 indicates the fifth key.
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For example, assign the MEAN
function to the key.
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ASN _
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ASN _
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ASN MEAN _
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ASN MEAN _
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ASN MEAN 13
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When you reassign a function to a key location, you may
wish to write the function name in the appropriate place
on the overlay (provided with your HP-41C) and place
the overlay on
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