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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 | 13 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Discrete Mathematics , ...
1
REPLIES
636
VIEWS

Hamiltonian-type paths without crossings in regular polygons

CONTRIBUTED BY: Shenghui Yang | 23 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computer-Based Maths , Computer Science , ...
1
REPLIES
944
VIEWS

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

CONTRIBUTED BY: Jeff Weidenaar | 26 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computational Humanities , ...
1
REPLIES
1K
VIEWS

Mathematical Games: unit-distance graphs

CONTRIBUTED BY: Ed Pegg | 2 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
1.2K
VIEWS

[WSRP25] Analyzing higher dimensions of the sliding block puzzle

CONTRIBUTED BY: Eddy Zhang | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , ...
1
REPLIES
1.3K
VIEWS

Mathematical Games 30: Measuring the Universe

CONTRIBUTED BY: Ed Pegg | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Challenges , Demonstrations , ...
1
REPLIES
1.4K
VIEWS

AI agent AlphaEvolve finds new solution for a packing problem

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

Mathematical Games: Famous Equations

CONTRIBUTED BY: Ed Pegg | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
1.8K
VIEWS

Mathematical Games: puzzles on a square grid

CONTRIBUTED BY: Ed Pegg | 8 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
4.1K
VIEWS

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

CONTRIBUTED BY: Vitaliy Kaurov | 8 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , ...
1
REPLIES
2.4K
VIEWS

Mathematical Games: 2025, other numbers and OEIS

CONTRIBUTED BY: Ed Pegg | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
6.2K
VIEWS

Advent of code 2024: Wolfram Language solutions by Nikolay Murzin

CONTRIBUTED BY: Nikolay Murzin | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Dynamic Interactivity , Events & Media , ...
1
REPLIES
2.1K
VIEWS

Solving polycube puzzles by applying the exact cover problem

CONTRIBUTED BY: Curran Flanders | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Graphics and Visualization , Recreation , ...
1
REPLIES
2.3K
VIEWS

Advent of Code 2023: solutions of some problems

CONTRIBUTED BY: Samuel Martineau | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Events & Media , Wolfram Language
1
REPLIES
2.8K
VIEWS

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

CONTRIBUTED BY: Ed Pegg | 10 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 | 11 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 | 11 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Events & Media , Interface Construction , ...
1
REPLIES
4.8K
VIEWS

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

CONTRIBUTED BY: Shenghui Yang | 0 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Dynamic Interactivity , ...
1
REPLIES
2.5K
VIEWS

Mathematical Games: linkages

CONTRIBUTED BY: Ed Pegg | 0 months ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
3.4K
VIEWS
2
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Group Count Group Count

85 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

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

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