/usr/share/calc/help/hash 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.
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hash - return the calc hash value
SYNOPSIS
hash(x_1 [, x_2, x_3, ...])
TYPES
x_1, x_1, ... any
return integer v, 0 <= v < 2^32
DESCRIPTION
Returns a hash value for one or more values of arbitrary types.
The calc hash value is based on the core Fowler/Noll/Vo hash
known as FNV-1. The return value, however, cannot be used
as an FNV hash value because calc's internal function also
takes into account more abstract concepts such as data types.
See:
http://www.isthe.com/chongo/tech/comp/fnv/
information about the Fowler/Noll/Vo (FNV) hash.
EXAMPLE
; a = isqrt(2e1000); s = "xyz";
; hash(a,s)
2378490456
LIMITS
The number of arguments is not to exceed 1024.
LINK LIBRARY
none
SEE ALSO
ishash, sha1
## Copyright (C) 1999-2007 Landon Curt Noll
##
## 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: 30.2 $
## @(#) $Id: hash,v 30.2 2007/07/05 17:37:41 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/hash,v $
##
## Under source code control: 1996/03/12 23:10:01
## File existed as early as: 1996
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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