An illustrated essay with free software and spreadsheet
templates to download
Last updated May 20 2019.
A retirement project by Tom O'Haver ,
Professor Emeritus
Department of Chemistry and Biochemistry, University of
Maryland at College Park
Have a question or suggestion? E-mail me: toh@umd.edu
Join our group on Facebook
No cost, no ads, no
sign-in/registration, no eye candy, no cookies,
no hype, no Java, no Flash, no kidding. Completely free since
1993.
* Pragmatic: Relating to matters of fact or practical affairs,
often to the exclusion of intellectual or artistic matters;
practical as opposed to idealistic.
Matlab, a
high-performance commercial numerical computing environment and
programming language that is widely used in research and
education. For Windows, Macintosh, and Linux. Lower-cost
Home and Student versions available.
Octave, a freely
downloadable alternative to Matlab, mostly compatible. For
Windows, Macintosh, and Linux.
SPECTRUM,
simple, freeware, 90s-era
signal processing program, for Macintosh OS 8.
Microsoft Excel 2013
OpenOffice Calc 4.1.1
Unsolicited Comments from Users
(verbatim excerpts from emails):
" It is the best source in the
entire internet with such a detailed information,
description, examples and theory provided on programmatic
realization of peak related techniques and analysis. "
"...the most understandable documentation
I’ve ever encountered!"
"It is as good as, if not better than, any similar books available
in the market".
"...a clear, organized,
accessible, and intuitive resource...."
"I ... have never seen before (I have years of
experience in this field) such a complete
approach towards tackling almost all the analysis
problems from scratch...."
"I ... am very impressed with
the clarity of the presentation."
"I like your writing style because it's clear and concise, and your prose flows
so smoothly."
"The signal processing topics you cover are so wonderfully practical...truly impressive."
"... truly one of best
practical description I have ever seen."
"...thank you for this valuable
treasure."
"...brilliant work...."
" ...thank you for your amazing
online book...."
"I liked the way everything is setup and
explained."
"...I think it's the best
explanation I've ever seen."
"...thank you for the immense
role your book has played in my perusal of
research...."
"...really incredible work!"
"...a very valuable service to our profession!"
"...an extraordinary labor
of love and a gift to many, many people!"
"Thanks again for your generous contributions to the
scientific and engineering community....your work is greatly
appreciated and will continue to benefit us for years to
come." MathWorks, Inc.
Copyright (c) 2018,
Thomas C. O'Haver (toh@umd.edu)
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
First edition created in
1995. Last updated May 2019. Created with SeaMonkey.
This site is a retirement
project and international community
service, maintained by Prof. Tom O'Haver,
Professor Emeritus, Department of Chemistry and Biochemistry, The
University of Maryland at College Park, currently residing in
Naples, FL. Comments, suggestions and questions should be directed
to Prof. O'Haver at toh@umd.edu,
currently residing in Naples, FL, and in Silver Spring, MD.
I support the March for Science 
This
essay is also available as a 467-page printable
document written in Microsoft Word and
saved in 
and PDF 
formats. Readability index
Department of Chemistry and Biochemistry, The
University of Maryland at College Park, currently residing in
Naples, FL. Comments, suggestions and questions should be directed
to Prof. O'Haver at toh@umd.edu,
currently residing in Naples, FL, and in Silver Spring, MD.