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Derivations of Applied Mathematics
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Understandably, program sources rarely derive the mathematical formulas
they use.  Not wishing to take the formulas on faith, a user might
nevertheless reasonably wish to see such formulas somewhere derived.

Derivations of Applied Mathematics is a book which documents and
derives many of the mathematical formulas and methods implemented
in free software or used in science and engineering generally.
It documents and derives the Taylor series (used to calculate
trigonometrics), the Newton-Raphson method (used to calculate square
roots), the Pythagorean theorem (used to calculate distances) and
many others.

Among other ways, you can read the book on your computer screen by
opening the file /usr/share/doc/derivations/derivations.ps.gz with the
gv(1) program under X(7).  To print the book on a standard postscript
printer, just zcat(1) then lpr(1) the same file.

The book is written by Thaddeus H. Black, who also maintains the Debian
package 'derivations' in which the book is distributed.  Users who
need to contact the author in his role as Debian package maintainer can
reach him at <thb@debian.org>.  However, most e-mail will naturally be
about the book itself: this should be sent to <thb@derivations.org>.

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Copyright (C) 1983-2010 Thaddeus H. Black

License:

  This book, its source and all the files packaged with them are free
  software; you can redistribute them and/or modify them under the
  terms of the GNU General Public License, version 2, as published
  by the Free Software Foundation.

  This program 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this package; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
  USA.

On Debian systems, the complete text of the GNU General Public License
can be found in `/usr/share/common-licenses/GPL-2'.

The tex/xkeyval.{sty,tex} and associated files
are Copyright (C) 2004-2008 Hendri Adriaens and licensed as follows.

  This work may be distributed and/or modified under the
  conditions of the LaTeX Project Public License, either version 1.3
  of this license or (at your option) any later version.
  The latest version of this license is in
    http://www.latex-project.org/lppl.txt
  and version 1.3 or later is part of all distributions of LaTeX
  version 2003/12/01 or later.

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Thaddeus H. Black <thb@derivations.org>
Wed, 10 Mar 2010 00:00:00 +0000

