enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. OpenStax - Wikipedia

    en.wikipedia.org/wiki/Openstax

    OpenStax (formerly OpenStax College) is a nonprofit educational technology initiative based at Rice University. Since 2012, OpenStax has created peer-reviewed, openly licensed textbooks, which are available in free digital formats and for a low cost in print. Most books are also available in Kindle versions on Amazon.com and in the iBooks Store.

  3. List of puzzle topics - Wikipedia

    en.wikipedia.org/wiki/List_of_puzzle_topics

    Chess puzzle. Chess problem; Computer puzzle game; Cross Sums; Crossword puzzle; Cryptic crossword; Cryptogram; Maze. Back from the klondike; Ball-in-a-maze puzzle; Mechanical puzzle. Ball-in-a-maze puzzle; Burr puzzle; Word puzzle. Acrostic; Daughter in the box; Disentanglement puzzle; Edge-matching puzzle; Egg of Columbus; Eight queens puzzle ...

  4. List of PSPACE-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_PSPACE-complete...

    Equivalence problem for star-free regular expressions with squaring. [21] Covering for linear grammars [37] Structural equivalence for linear grammars [38] Equivalence problem for Regular grammars [39] Emptiness problem for ET0L grammars [40] Word problem for ET0L grammars [41] Tree transducer language membership problem for top down finite ...

  5. Puzzle - Wikipedia

    en.wikipedia.org/wiki/Puzzle

    The largest puzzle (40,320 pieces) is made by a German game company Ravensburger. [8] The smallest puzzle ever made was created at LaserZentrum Hannover. It is only five square millimeters, the size of a sand grain. The puzzles that were first documented are riddles. In Europe, Greek mythology produced riddles like the riddle of the Sphinx ...

  6. Games, Puzzles, and Computation - Wikipedia

    en.wikipedia.org/wiki/Games,_Puzzles,_and...

    Games, Puzzles, and Computation concerns the computational complexity theory of solving logic puzzles and making optimal decisions in two-player and multi-player combinatorial games. Its focus is on games and puzzles that have seen real-world play, rather than ones that have been invented for a purely mathematical purpose. [2]

  7. Open textbook - Wikipedia

    en.wikipedia.org/wiki/Open_textbook

    A portion of the expense of college textbooks is offset by the easy access to material provided by open source textbooks. While certain open source textbooks can be used for free, others have a nominal usage fee. A digital copy of a printed book that can be read on computers, tablets, and smartphones is called an electronic book, or ebook for ...

  8. Slitherlink - Wikipedia

    en.wikipedia.org/wiki/Slitherlink

    Conceptis puzzles: Slitherlink techniques - This site shows some advanced solving techniques. games.softpedia.com - Slitherlink downloadable game. This generates puzzle at various levels and dimensions. Also you can upload a puzzle (external to the site) to solve it. - A suggested notational system to document slitherlink puzzles.

  9. Algorithmic Puzzles - Wikipedia

    en.wikipedia.org/wiki/Algorithmic_Puzzles

    The puzzles in the book cover a wide range of difficulty, and in general do not require more than a high school level of mathematical background. [3] William Gasarch notes that grouping the puzzles only by their difficulty and not by their themes is actually an advantage, as it provides readers with fewer clues about their solutions. [1]