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Give your creativity a boost through a friendly competition. Challenging problems will be placed in this group for members who would like to test their skills. Of course, every member can benefit from the solutions posted here.

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Mathematical Games: knots and crossing numbers

CONTRIBUTED BY: Ed Pegg | 8 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Discrete Mathematics , ...
1
REPLIES
491
VIEWS

Hamiltonian-type paths without crossings in regular polygons

CONTRIBUTED BY: Shenghui Yang | 18 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computer-Based Maths , Computer Science , ...
1
REPLIES
864
VIEWS

Only 2nd Time in 11 Years: Debated "S" Enters NY Times Spelling Bee—Data Spells the Verdict

CONTRIBUTED BY: Jeff Weidenaar | 21 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computational Humanities , ...
1
REPLIES
969
VIEWS

Mathematical Games: unit-distance graphs

CONTRIBUTED BY: Ed Pegg | 1 month ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
1.1K
VIEWS

Mathematical Games: covering sets

CONTRIBUTED BY: Ed Pegg | 2 months ago BY: Ed Pegg
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
2
REPLIES
1.1K
VIEWS

[WSRP25] Analyzing higher dimensions of the sliding block puzzle

CONTRIBUTED BY: Eddy Zhang | 2 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , ...
1
REPLIES
1.2K
VIEWS

Mathematical Games 30: Measuring the Universe

CONTRIBUTED BY: Ed Pegg | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Challenges , Demonstrations , ...
1
REPLIES
1.3K
VIEWS

AI agent AlphaEvolve finds new solution for a packing problem

CONTRIBUTED BY: Ed Pegg | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Artificial Intelligence , Challenges , Geometry , ...
1
REPLIES
13.1K
VIEWS

Mathematical Games: polygons and polynomials

CONTRIBUTED BY: Ed Pegg | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
1.7K
VIEWS

Mathematical Games: Famous Equations

CONTRIBUTED BY: Ed Pegg | 5 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
1.8K
VIEWS

A-Puzzle-A-Day solver: shapes placement on calendar board

CONTRIBUTED BY: Kotaro Okazaki | 6 months ago BY: Brad Klee
Staff Picks , Challenges , Computational Humanities , ...
5
REPLIES
16.9K
VIEWS

Mathematical Games: puzzles on a square grid

CONTRIBUTED BY: Ed Pegg | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
3.9K
VIEWS

Red pin puzzle: tracking patterns in motion with two different frequencies

CONTRIBUTED BY: Vitaliy Kaurov | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , ...
1
REPLIES
2.4K
VIEWS

Letter Boxed: the elusive 1-word solutions

CONTRIBUTED BY: Jeff Weidenaar | 2 months ago BY: G West
Staff Picks , Challenges , Interface Construction , ...
2
REPLIES
6.6K
VIEWS

Mathematical Games: 2025, other numbers and OEIS

CONTRIBUTED BY: Ed Pegg | 8 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
6.1K
VIEWS

Advent of code 2024: Wolfram Language solutions by Nikolay Murzin

CONTRIBUTED BY: Nikolay Murzin | 8 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Dynamic Interactivity , Events & Media , ...
1
REPLIES
2.1K
VIEWS

Advent of code 2024: Wolfram Language solutions by Peter Falloon

CONTRIBUTED BY: Peter Falloon | 8 months ago BY: Vitaliy Kaurov
Staff Picks , Challenges , Events & Media , ...
3
REPLIES
2.1K
VIEWS

Solving polycube puzzles by applying the exact cover problem

CONTRIBUTED BY: Curran Flanders | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , Recreation , ...
1
REPLIES
2.3K
VIEWS

Mathematical Games - diving into cards: set, dominoes, spot-it, scrabble & more

CONTRIBUTED BY: Ed Pegg | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
3.4K
VIEWS

Mathematical Games: anagrams, letter banks and other wordplay

CONTRIBUTED BY: Ed Pegg | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Curated Data , Events & Media , ...
1
REPLIES
3K
VIEWS

New York Times spelling bee puzzle: unicorns and other oddities

CONTRIBUTED BY: Jeff Weidenaar | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Events & Media , Interface Construction , ...
1
REPLIES
4.7K
VIEWS

Animate the optimal set of moves for 4-peg tower of Hanoi

CONTRIBUTED BY: Shenghui Yang | 11 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Dynamic Interactivity , ...
1
REPLIES
2.5K
VIEWS

Mathematical Games: linkages

CONTRIBUTED BY: Ed Pegg | 11 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
3.3K
VIEWS

Mathematical Games: ordering and canonical forms

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
3.2K
VIEWS

Mathematical Games: Icosahedra and other polyforms

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
3.9K
VIEWS

Spot the difference

QUESTION FROM: Shinsuke Okayasu | 1 year ago BY: M.A. Ghorbani
Challenges , Dynamic Interactivity , Image Processing , ...
4
REPLIES
2.9K
VIEWS

Mathematical Games: Turing machines

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computational Systems , Computer Science , ...
1
REPLIES
3.9K
VIEWS

Mathematical Games: Linear Algebra magic

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Challenges , Demonstrations , ...
1
REPLIES
4K
VIEWS

Mathematical Games: combinatorial codes and designs

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
4.3K
VIEWS

Representing or encrypting text with Truchet tiling. Can we reverse or simplify the encryption?

CONTRIBUTED BY: Vitaliy Kaurov | 1 year ago BY: Henrik Schachner
Staff Picks , Challenges , Computational Humanities , Cryptography , ...
2
REPLIES
5K
VIEWS

Mathematical Games: space-filling curves

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
4.2K
VIEWS

Happy end problem: n-gons in generally positioned n points

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Geometry , Graphics and Visualization , ...
1
REPLIES
4.7K
VIEWS

Mathematical Games: Hexagrammum Mysticum

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
4.3K
VIEWS

Mathematical Games: Surfaces

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
4.6K
VIEWS

Solving selected Advent of Code problems 2015 - 2023

CONTRIBUTED BY: Peter Burbery | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , ...
1
REPLIES
3.5K
VIEWS

2024 = 2³+3³+4³+5³+6³+7³+8³+9³ What's your math one-liner for the New Year 2024?

CONTRIBUTED BY: Ed Pegg | 1 year ago BY: Ed Pegg
Staff Picks , Challenges , Mathematics , Recreation , Wolfram Language
12
REPLIES
21.9K
VIEWS

Solving MoMath's A-Puzzle-A-Day by DragonFjord

CONTRIBUTED BY: Brad Klee | 1 year ago BY: Bruce Torrence
Staff Picks , Challenges , Computer Science , ...
3
REPLIES
6.2K
VIEWS

Mathematical Games: configurations

CONTRIBUTED BY: Ed Pegg | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Dynamic Interactivity , Events & Media , ...
1
REPLIES
4.5K
VIEWS

Advent of Code 2023: solutions of some problems

CONTRIBUTED BY: Samuel Martineau | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Events & Media , Wolfram Language
1
REPLIES
2.7K
VIEWS

High-dimensional sphere packing doesn't fit in a box

CONTRIBUTED BY: Yaroslav Bulatov | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Geometry , Graphics and Visualization , ...
1
REPLIES
4K
VIEWS

Mathematical Games: Special Triangles and Tetrahedra

CONTRIBUTED BY: Ed Pegg | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
4.9K
VIEWS

Mathematical Games: Multistate Mazes

CONTRIBUTED BY: Ed Pegg | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
6.4K
VIEWS

Code golf chromostereopsis illusion

QUESTION FROM: Vitaliy Kaurov | 2 years ago BY: Vitaliy Kaurov
Challenges , Graphics and Visualization , Recreation , Visual Arts , ...
8
REPLIES
7.5K
VIEWS

I created a maze paclet named NewMazePaclet

CONTRIBUTED BY: Peter Burbery | 2 years ago
Challenges , Graphics and Visualization , Graphs and Networks , ...
0
REPLIES
1.7K
VIEWS

Solving Sudoku puzzles with Graph Theory

CONTRIBUTED BY: Alejandra Ortiz Duran | 1 year ago BY: Hongyang Cao
Staff Picks , Challenges , Computer-Based Maths , ...
10
REPLIES
26K
VIEWS

Solving the Queens Puzzle with Graph Theory

CONTRIBUTED BY: Alejandra Ortiz Duran | 2 years ago BY: Zsombor Méder
Staff Picks , Challenges , Computer-Based Maths , ...
5
REPLIES
13.4K
VIEWS

Three bicycle problems: from Sherlock Holmes to unicycle illusion to pedal paradox

CONTRIBUTED BY: Stan Wagon | 2 years ago BY: Bob Bixler
Staff Picks , Calculus , Challenges , Demonstrations , ...
2
REPLIES
9.3K
VIEWS

Solving Problem 1019 Time Conversion on Beecrowd and testing my answer

CONTRIBUTED BY: Peter Burbery | 2 years ago
Challenges , Units , Wolfram Language
0
REPLIES
1.8K
VIEWS

Mathematical Games: History and Science of Oppenheimer Movie and Manhattan Project

CONTRIBUTED BY: Ed Pegg | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computational Humanities , Curated Data , ...
1
REPLIES
9.4K
VIEWS

[WSRP23] Solving logic puzzles based on logical statements

CONTRIBUTED BY: Nishnath Polavarapu | 2 years ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Logic and Boolean Algebra , ...
3
REPLIES
8.6K
VIEWS
1
2
3
4

Group Count Group Count

85 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
edp
Ed Pegg
2 days ago
shenghuiy
Shenghui Yang
18 days ago
jeffw
Jeff Weidenaar
21 days ago
eddyzhang10
Eddy Zhang
3 months ago
okazakikotaro
Kotaro Okazaki
1 month ago
vitaliyk
Vitaliy Kaurov
2 days ago
murzinnikolay
Nikolay Murzin
4 months ago

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