Calendrical Calculations: The Ultimate Edition 4th Edition by Edward M. Reingold (PDF)

Description

An invaluable resource for working programmers, as well as a fount of useful algorithmic tools for computer scientists, astronomers, and other calendar enthusiasts, The Ultimate Edition updates and expands the previous edition to achieve more accurate results and present new calendar variants. The book now includes coverage of Unix dates, Italian time, the Akan, Icelandic, Saudi Arabian Umm al-Qura, and Babylonian calendars. There are also expanded treatments of the observational Islamic and Hebrew calendars and brief discussions of the Samaritan and Nepalese calendars. Several of the astronomical functions have been rewritten to produce more accurate results and to include calculations of moonrise and moonset. The authors frame the calendars of the world in a completely algorithmic form, allowing easy conversion among these calendars and the determination of secular and religious holidays. LISP code for all the algorithms is available in machine-readable form.

User’s Reviews

Editorial Reviews: Review ‘It retains all the features that made the first edition … such a wonderful resource, while adding much new material … If you are at all interested in time and calendars, this book must find a place on your desk.’ Victor J. Katz, Mathematical Reviews Book Description These algorithmic tools for programmers, astronomers, and calendar enthusiasts include more than forty calendars and astronomical functions. About the Author Edward M. Reingold is Professor of Computer Science at the Illinois Institute of Technology, where he also served as chair from 2000 to 2006. Prior to that, he was a faculty member in the Department of Computer Science at the University of Illinois, Urbana-Champaign for thirty years. His research interests are in theoretical computer science, especially the design and analysis of algorithms and data structures. A Fellow of the Association for Computing Machinery since 1996, Reingold has authored or coauthored more than seventy research papers and ten books; his papers on backtrack search, generation of combinations, weight-balanced binary trees, and drawing of trees and graphs are considered classics. Reingold has won awards for his undergraduate and graduate teaching, and is intensely interested in calendars and their computer implementation. He is the author of Calendrical Tabulations (with Nachum Dershowitz, Cambridge, 2002) and is the author and former maintainer of the calendar/diary part of GNU Emacs.Nachum Dershowitz is Professor of Computational Logic at Tel Aviv University. Beyond his expertise in calendars, he is a leading figure in software verification in general and termination of programs in particular, and is an international authority on equational inference and term rewriting. Other areas in which he has made major contributions include program semantics, analysis of historical manuscripts, and combinatorial enumeration. Dershowitz has authored or coauthored more than 100 research papers and several books and has held visiting positions at prominent institutions around the globe. He has won numerous awards for his research and teaching, including the Herbrand Award for Distinguished Contributions to Automated Reasoning (2011), and Test-of-Time awards for the Institute of Electrical and Electronics Engineers Symposium on Logic in Computer Science (2006), for the International Conference on Rewriting Techniques and Applications (2014), and for the International Conference on Automated Deduction (2015). He was elected to Academia Europaea in 2013. Read more

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐I have past versions of this book and ordered the ULTIMATE EDITION as soon as it came out. Shortly after, I met one of the authors. He was surprised that I got the book through Amazon before he got his ‘official’ copies from the publishers!I do Indian calendar (one of the several versions used in India) calculations using traditional methods. The theory in this book explains a good context and background for those calculations.I have seen the comments here about copyrights. When I spoke with the author, he said that their intent is not commercial but just to prevent any misuse. He said, they would consider the purpose of any requests and give consent. When I expressed interest in converting those algorithms to another mainstream programming language, he was in support of it.Though the algorithms work in LISP, I don’t know enough of programming to replicate them in C++, Java or DOTNET. Therefore, I cannot use the algorithms as is.I would recommend this book to anyone who’s interested in this subject.

⭐The authors of this book have claimed patent and copyright status on both the code and algorithms contained in this book. Therefore, if you intend to use any of this material in anything but an academic context, you may run into the claims of these folks, whether legitimate or not. But you should be aware of what they assert. Anyone doing calendar programming for a living may not want to read this for fear of being sued for theft of IP. I’m sure they would entertain a juicy and expensive consulting contract to help you with your project, however.

⭐This review applies only to the Kindle version. Shortly after I started reading it, I noticed it was plagued with errors, in which various inserts were replaced with unrelated things. The pictures included show an example: in the chapter on the Hebrew calendar, the Kindle version has a lengthy set of equations relating to Chinese dates, instead of “y + 3760”.The paperback copy in the picture was bought directly from Cambridge University Press, because Amazon does not deserve to get more money for selling a messed-up ebook.I reported numerous such errors to Amazon several months ago, and these pictures were taken today.EDIT: Just over a year has passed, and the error from the images above is still in the ebook.

⭐I think patenting what you want to publish a book about is a great money maker or in this case if your trying to sell a book maybe the opposite. I am glad I read the other review that states that using their code or algoirthms in a commercial setting will open you up to patent infringement or copyright issues. I refuse to buy this book based on another review stating that the algorithms are copyrighted. I don’t know how something can be patented for a calendar that is not of their making. I guess how they solve those problems. I will not buy this book out of patent/copyright fears. Why publish this book if people can’t use your algorithms in the real world lol.

⭐This is way above my paygrade,

⭐It does what it says on the tin (or book cover)

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