## Mathematical (Subscribe)

### Links

#### *~*PeCuLiAr*~*- Brain Teasers, Puzzles, Riddles, Optical Illusions e.t.c. popular

http://www.angelfire.com/super/peculiar

*~*PeCuLiAr*~* Bizarre brain teasers, puzzling problems, mathmatical mind mazes, quizzical questions and optical illusions are what this site is all about.

#### Brain Teasers and Mathematical Puzzles popular

Interactive brain teasers to challenge your logical and mathematical skills. Immediate scoring of answers provided with dynamic explanations.

#### Brain teasers by QBrute popular

http://www.angelfire.com/empire/qbrute.index.html

Original brain teasers from puzzlist with IQ score : 184 (Gerryfax test).

#### Dave's Logic Puzzles popular

http://members.aol.com/dfcurran/logic/logicpuz.html

Monthly logic puzzles with solving grids.

#### Eli's Math and Logic Puzzles popular

http://www.karplus.org/eli/puzzles/

A hodgepodge of math and logic puzzles.

#### Math and Logic Board popular

http://www.truthtree.com/mathdoor.html

A non-commercial site offering over 40 math and logic puzzles ranging from difficult to extremely challenging. Personally graded by a math whiz.

#### Archimedes Lab Recreational Puzzles

Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities.

#### Curiouser.co.uk

Paradoxes, puzzles and optical illusions.

#### IBM Research: Ponder This

http://www.research.ibm.com/ponder

Monthly logic or math puzzles set by IBM researchers.

#### jlpe's number recreations page

http://www.geocities.com/windmill96/numrecreations.html

Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, enlightened and didactic numbers, numerology games, and much more.

#### Just Riddles and More

http://www.justriddlesandmore.com/

This is a website of riddles, puzzles, brain teasers, games, quizzes, downloads, and other activities to stimulate the brain.

#### Logicville

Logicville is a website collection of mathematical games, puzzles, and brain teasers, including anagrams, cryptograms, cryptarithms or alphametics, word puzzles, logic games, doublets, tangrams, chess problems, and many educational and math problems.

#### Math Puzzle

This is a website of mathematical recreations and puzzles.

#### Monthly Logic Puzzle

http://www.chocoholic.com/chocoholic/quiz/puzzle.html

An archive of monthly logic puzzles provided by Chocoholic.com, a site offering chocolates.

#### Pixel Paint by Number Logic Puzzles: Autumn

http://www.cherylasmith.com/puzzles.html

Known by many names such as nonograms, griddlers, japanese puzzles, and art by number puzzles; I have put together a collection of 100 original puzzles sure to exercise your brain with logic and reasoning.

#### Puzzle Choice

Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games.

#### Puzzles from Maths For Fun

Free samples on site updated every Sunday. Cross numbers targeted on specific arithmetical processes, ideal for classroom use (Printable). Our competition page has puzzles taken from PuzzleFrenzy.

#### QuantumBrainBenders

http://www.quantumbrainbenders.com

Very entertaining math-based puzzles. They have daily and archived puzzles in a variety of difficulty levels.

#### techInterview

http://techInterview.editthispage.com

answers to technical interview questions, programming problems, and brain teasers.

#### Technology of Wonders

3-D puzzles to buy from the Russian designer Viktor Genel.

#### Tessellations

A company selling foam puzzles, many based on planar tessellations (tilings) and fractals.

#### The Grey Labyrinth

Brain teasers and discussion forum inspired by a Douglas Hofstadter non-fiction book.

#### The Puzzlemanic Puzzle Web Site

A collection of original puzzles. Regularly updated with new puzzles.

#### The Puzzling World of Barry R. Clarke

Original free brain teasers, recreational mathematics articles and puzzles forum from Daily Telegraph (UK) compiler.