The Journal of Recreational Mathematics is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 journal dedicated to recreational mathematics

Recreational mathematics

Recreational mathematics is an umbrella term, referring to mathematical puzzles and mathematical games.Not all problems in this field require a knowledge of advanced mathematics, and thus, recreational mathematics often attracts the curiosity of non-mathematicians, and inspires their further study...

, started in 1968. It is published quarterly by the Baywood Publishing Company.

Harry Nelson

Harry Lewis Nelson

Harry Lewis Nelson is an American mathematician and computer programmer. He was a member of the team that won the World Computer Chess Championship in 1983 and 1986, and was a co-discoverer of the 27th Mersenne prime in 1979 . He also served as editor of the Journal of Recreational Mathematics for...

 was editor for five years and Joseph Madachy was the editor for many years. Charles Ashbacher and Colin Singleton took over as editors when Madachy retired. The current editors are Ashbacher and Lamarr Widmer.

The journal contains:

1. Original articles
2. Book review
   Book review
   A book review is a form of literary criticism in which a book is analyzed based on content, style, and merit. A book review could be a primary source opinion piece, summary review or scholarly review. It is often carried out in periodicals, as school work, or on the internet. Reviews are also often...
   
   s
3. Alphametic
   Verbal arithmetic
   Verbal arithmetic, also known as alphametics, cryptarithmetic, crypt-arithmetic, cryptarithm or word addition, is a type of mathematical game consisting of a mathematical equation among unknown numbers, whose digits are represented by letters. The goal is to identify the value of each letter...
   
   s And Solutions To Alphametics
4. Problems
   Mathematical problem
   A mathematical problem is a problem that is amenable to being represented, analyzed, and possibly solved, with the methods of mathematics. This can be a real-world problem, such as computing the orbits of the planets in the solar system, or a problem of a more abstract nature, such as Hilbert's...
   
    And Conjecture
   Conjecture
   A conjecture is a proposition that is unproven but is thought to be true and has not been disproven. Karl Popper pioneered the use of the term "conjecture" in scientific philosophy. Conjecture is contrasted by hypothesis , which is a testable statement based on accepted grounds...
   
   s
5. Solutions To Problems And Conjectures
6. Proposer's And Solver's List For Problems And Conjectures

Indexing

The journal is indexed in:

• Academic Search Premier
• Book Review Index
  Book Review Index
  Book Review Index is an index of book reviews and literary criticism, found in leading academic, popular, and professional periodicals. It has been published since 1965. For most of its history it has been owned by Gale and part of the Thomson family of information businesses.-Publication...
  
  
• International Bibliography of Periodical Literature
• International Bibliography of Book Reviews
• Readers' Guide to Periodical Literature
  Readers' Guide to Periodical Literature
  The Readers' Guide to Periodical Literature is a reference guide to recently published articles in periodical magazines and scholarly journals, organized by article subject. The Readers' Guide has been published regularly since 1901 by The H. W...
  
  
• The Gale Group