Mathematical recreations and puzzles



Cyclic quadrilateral theorem by Antonio Gutierrez from "Geometry Step by Step from the Land of the Incas".
        Sangaku problem: The incenters of four triangles in a cyclic quadrilateral - Antonio Gutierrez

Connect Capture A game that mixes Dots and Boxes with Chess.
        index

ossiemanners.co.uk
        Ossie's Web Page

Dabble mit dabble
        

LittleGolem
        Little Golem

well.com well user java dots
        Dots

How to make a hexa-hexa-flexagon by Magnus Enarsson
        Magnus Enarsson
froola rocks.

How to make a Hexaflexagon home
        Hexaflexagons

MathWorld entry on Hexaflexagons wolfram
        Hexaflexagon -- From MathWorld

tetraflexagons , including three nets
        Tetraflexagon -- From MathWorld

Friedman Numbers, at Dr. Erich Friedman's home page stetson
        Math Magic

Marian Trenkler: An algorithm for making magic cubes
        

Marian Trenkler: Magic p-dimensional cubes cub
        

Harvey Heinz: All about Magic Cubes members shaw
        Magic Cubes-Introduction

MathWorld: Magic Cube wolfram
        Magic Cube -- From MathWorld

17 (Seventeen) and Yellow Pigs
        17 (Seventeen) and Yellow Pigs

'Monty Hall' over easy A short proof using a table of outcomes
        The Monty Hall problem -- over easy

Monty Hall Simulator (Simulators for the keep and change strategy in Perl, with data files representing the results of playing the game one million times with each strategy)
        Monty Hall Problem

Secret of Monty Hall (explanation from the bad-door side)
        Secret of Monty Hall

Grand Illusions Explanation and various simulators
        GRAND ILLUSIONS

Monty Hall Dilemma at cut-the-knot
        Education, Mathematics, Fun, Monty Hall Dilemma

Monty Hall Paradox (let's make a deal) (lengthy bibliography)
        

THE MONTY HALL PROBLEM (at letsmakeadeal.com; quotes Monty's letter to Steve Selvin in full)
        Monty Hall Problem

A Java applet for solving the fifteen puzzle www projects eco
        Alexis Drogoul - N-Puzzle

Article explaining parity in the fifteen puzzle cut the knot pythagoras fifteen
        Sam Loyd's fifteen

A popular free computer game version of the 15-Puzzle web
        Matt's Puzzle - Sliding Puzzle Game - 15 Puzzle

Friends of Pi Club ''(German and English)''
        Pi 3.14159 - Freunde der Zahl Pi - Friends of Pi

Determination of Pi at cut-the-knot
        The Nature of Pi

The unofficial Pi Day website
        piday.org

Pi Day in Maine with Dr. Wilson's Memory Elixir
        Dr. Wilson's Memory Elixir Archives
Things Go Better with www.froola.com.

Next page 

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia articles : Cyclic quadrilateral , Dots and Boxes , Flexagon , Friedman number , Magic cube , Michael Spivak , Monty Hall problem , N-puzzle , Pi , Pi Day , .
If you use exact copy or modified of this article you should preserve above paragraph and put also : It uses material from the Froola link list about "Mathematical recreations and puzzles".
MAIN PAGE MAIN INDEX CONTACT US