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Staff Picks

Reaction-diffusion on discrete lattices: pattern formation and spectral analysis

CONTRIBUTED BY: Guhan Thiagarajan | 10 hours ago BY: Guhan Thiagarajan
2
REPLIES
48
VIEWS

Numerically 2026 is unremarkable yet happy: semiprime with primitive roots

CONTRIBUTED BY: Anton Antonov | 13 hours ago BY: Anton Antonov
6
REPLIES
486
VIEWS

Happy √2²²-22 -- And other ways to calculate 2026

CONTRIBUTED BY: Ed Pegg | 19 hours ago BY: EDITORIAL BOARD
3
REPLIES
177
VIEWS
All Discussions

Quantum Operators from Wolfram Model Multiway Systems

CONTRIBUTED BY: Furkan Semih Dündar | 1 hour ago
Graphs and Networks , Physics , Quantum Computing , ...
0
REPLIES
8
VIEWS

Reaction-diffusion on discrete lattices: pattern formation and spectral analysis

CONTRIBUTED BY: Guhan Thiagarajan | 10 hours ago BY: Guhan Thiagarajan
Staff Picks , Algebra , Calculus , Equation Solving , ...
2
REPLIES
48
VIEWS

Numerically 2026 is unremarkable yet happy: semiprime with primitive roots

CONTRIBUTED BY: Anton Antonov | 13 hours ago BY: Anton Antonov
Staff Picks , Algebra , Discrete Mathematics , ...
6
REPLIES
486
VIEWS

How to rationalize the denominator?

QUESTION FROM: Bill Blair | 18 hours ago BY: Michael Rogers
Mathematics , Wolfram Language
4
REPLIES
35
VIEWS

Happy √2²²-22 -- And other ways to calculate 2026

CONTRIBUTED BY: Ed Pegg | 19 hours ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Graphics and Visualization , Mathematics
3
REPLIES
177
VIEWS

Operation of a stripping column: McCabe-Thiele graphical construction

CONTRIBUTED BY: Housam Binous | 1 day ago BY: EDITORIAL BOARD
Staff Picks , Chemistry , Demonstrations , Engineering , ...
1
REPLIES
62
VIEWS

Why can't this identity hold problem be solved?

QUESTION FROM: Bill Blair | 1 day ago BY: Gianluca Gorni
Mathematics , Wolfram Language
1
REPLIES
123
VIEWS

A Minimal model for causal invariance: path merging via DP-like optimization

CONTRIBUTED BY: Xin Wang | 1 day ago BY: Xin Wang
Graphs and Networks , Physics , Wolfram Fundamental Physics Project
8
REPLIES
471
VIEWS

WolframAlpha not working on Data Drop Databins

QUESTION FROM: Steven Buehler | 1 day ago BY: Jeff Williams
Data Drop , Wolfram|Alpha
1
REPLIES
2.2K
VIEWS

How to calculate the 100th term of this recurrence relation?

QUESTION FROM: Bill Blair | 1 day ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
2
REPLIES
99
VIEWS

How to avoid error: Equations may not give solutions for all "solve" variables

QUESTION FROM: Nomsa Ledwaba | 1 day ago BY: Gianluca Gorni
Algebra , Equation Solving
2
REPLIES
67
VIEWS

Introduction to dynamic economic models: the predator-prey system

CONTRIBUTED BY: Hee-Young Shin | 2 days ago BY: EDITORIAL BOARD
Staff Picks , Biological Sciences , Calculus , ...
1
REPLIES
192
VIEWS

Introduction to dynamic economic models: epidemic models of infectious diseases

CONTRIBUTED BY: Hee-Young Shin | 2 days ago BY: EDITORIAL BOARD
Staff Picks , Biological Sciences , Computational Systems , ...
1
REPLIES
204
VIEWS

Visual explanation of the problem Putnam 2025 A3

CONTRIBUTED BY: Shenghui Yang | 2 days ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Game Development , ...
1
REPLIES
88
VIEWS

Maze making using graphs based on rectangular and hexagonal grids

CONTRIBUTED BY: Anton Antonov | 3 days ago BY: EDITORIAL BOARD
Staff Picks , Challenges , Computational Humanities , ...
1
REPLIES
229
VIEWS

Production of formaldehyde by gas-phase pyrolysis of methanol

CONTRIBUTED BY: Housam Binous | 4 days ago
Chemistry , Data Science , Engineering , Graphics and Visualization , ...
0
REPLIES
66
VIEWS

Operation of a partial condenser: temperatures, and molar flow rates of benzene in outlet streams

CONTRIBUTED BY: Housam Binous | 4 days ago
Chemistry , Engineering , Graphics and Visualization , Modeling , ...
0
REPLIES
59
VIEWS

Help to retrieve hidden cells/part of a notebook

QUESTION FROM: Imre Pazsit | 4 days ago BY: Imre Pazsit
Presentation and Notebooks , Wolfram Language
10
REPLIES
156
VIEWS

Try to beat these MRB constant records!

CONTRIBUTED BY: Marvin Ray Burns A.G.S. (cum laude) | 4 days ago BY: Marvin Ray Burns A.G.S. (cum laude)
Challenges , Education , High-Performance Computing , Mathematica , ...
23
REPLIES
1.2M
VIEWS

Keyboard shortcut to accept natural-language Quantity input?

QUESTION FROM: Safi Ahmed | 4 days ago BY: Michael Rogers
Curated Data , Natural Language Processing , Units , User Interface
4
REPLIES
175
VIEWS
1
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FEATURED CONTRIBUTORS
guhanst91
Guhan Thiagarajan
22 hours ago
edp
Ed Pegg
23 hours ago
binoushousam
Housam Binous
9 days ago
heeyoungshin
Hee-Young Shin
8 days ago
shenghuiy
Shenghui Yang
4 days ago
antononcube
Anton Antonov
13 hours ago
eesam
Soumya Sambeet Mohapatra
7 days ago