/usr/share/calc/help/bindings is in apcalc-common 2.12.4.4-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | # bindings - default key bindings for calc line editing functions
#
# Copyright (C) 1999  David I. Bell
#
# Calc is open software; you can redistribute it and/or modify it under
# the terms of the version 2.1 of the GNU Lesser General Public License
# as published by the Free Software Foundation.
#
# Calc is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.	See the GNU Lesser General
# Public License for more details.
#
# A copy of version 2.1 of the GNU Lesser General Public License is
# distributed with calc under the filename COPYING-LGPL.  You should have
# received a copy with calc; if not, write to Free Software Foundation, Inc.
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# @(#) $Revision: 30.1 $
# @(#) $Id: bindings,v 30.1 2007/03/16 11:09:54 chongo Exp $
# @(#) $Source: /usr/local/src/cmd/calc/cal/RCS/bindings,v $
#
# Under source code control:	1993/05/02 20:09:19
# File existed as early as:	1993
#
# Share and enjoy!  :-) http://www.isthe.com/chongo/tech/comp/calc/
# NOTE: This facility is ignored if calc was compiled with GNU-readline.
#	In that case, the standard readline mechanisms (see readline(3))
#	are used in place of those found below.
map	base-map
default insert-char
^@	set-mark
^A	start-of-line
^B	backward-char
^D	delete-char
^E	end-of-line
^F	forward-char
^H	backward-kill-char
^J	new-line
^K	kill-line
^L	refresh-line
^M	new-line
^N	forward-history
^O	save-line
^P	backward-history
^R	reverse-search
^T	swap-chars
^U	flush-input
^V	quote-char
^W	kill-region
^Y	yank
^?	backward-kill-char
^[	ignore-char	esc-map
map	esc-map
default ignore-char	base-map
G	start-of-line
H	backward-history
P	forward-history
K	backward-char
M	forward-char
O	end-of-line
S	delete-char
g	goto-line
s	backward-word
t	forward-word
d	forward-kill-word
u	uppercase-word
l	lowercase-word
h	list-history
^[	flush-input
[	arrow-key
 |