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Everything from arithmetic, algebra, calculus, and geometry to analysis, logic, set theory, and uncertainty.

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How do I tell WolframAlpha which variables are real and which are natural?

QUESTION FROM: Aaron S | 6 years ago BY: M23 J
Mathematics , Wolfram|Alpha
3
REPLIES
46.3K
VIEWS

Biggest Little Polyhedra

CONTRIBUTED BY: Ed Pegg | 11 years ago BY: Ed Pegg
Staff Picks , Geometry , Mathematics , Wolfram Language
26
REPLIES
45.7K
VIEWS

Optimal lighting configuration of 5 lamps in a square room

QUESTION FROM: Todd Rowland | 13 years ago BY: Todd Rowland
Architecture , Challenges , Engineering , Mathematics , Optics , ...
12
REPLIES
45.4K
VIEWS

Keep only positive and real solutions from Solve?

QUESTION FROM: Fredrik Erling | 4 years ago BY: Phani Sanagavarapu
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
44.8K
VIEWS

Doodling in Mathematica: DRAGON TREES

CONTRIBUTED BY: Bernat Espigulé | 13 years ago BY: Bernat Espigulé
Authoring and Publishing , Demonstrations , Education , Mathematica , ...
1
REPLIES
44.4K
VIEWS

Modeling jump conditions in interphase mass transfer

QUESTION FROM: Tim Laska | 7 years ago BY: Anonymous User
Staff Picks , Calculus , Chemical Engineering , Chemistry , ...
19
REPLIES
44.2K
VIEWS

How do you plot piecewise functions?

QUESTION FROM: Ben Crain | 12 years ago BY: selahittin cinar
Graphics and Visualization , Mathematica , Mathematics
4
REPLIES
43.7K
VIEWS

Ulam spiral to appear on Sept. 2013 cover of Math Horizons

CONTRIBUTED BY: Bruce Torrence | 13 years ago BY: Jari Kirma
Mathematica , Mathematics , Visual Arts
8
REPLIES
43.7K
VIEWS

How to show step-by-step solutions for Laplace transforms?

QUESTION FROM: George Ayoub | 12 years ago BY: Nasser M. Abbasi
Calculus , Mathematics , Wolfram|Alpha
5
REPLIES
43.6K
VIEWS

Squeezing Pi from a Menger Sponge

CONTRIBUTED BY: Ed Pegg | 6 years ago BY: Henry Carolan
Staff Picks , Graphics and Visualization , Mathematics , ...
4
REPLIES
43.6K
VIEWS

Avoid problem of "Recursion depth of 1024 exceeded during evaluation of...?

QUESTION FROM: Shaoyan Robert | 7 years ago BY: Rohit Namjoshi
Mathematics , Operations Research , Wolfram Language
6
REPLIES
42.8K
VIEWS

A prime pencil: truncatable primes

CONTRIBUTED BY: Roman Maeder | 6 years ago BY: Diego Ramos
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
20
REPLIES
41.1K
VIEWS

[WSC19] Use Machine Learning to Predict if Topography is Land or Ocean

QUESTION FROM: Khang Minh Nguyen | 7 years ago BY: Khang Minh Nguyen
Curated Data , Data Science , Earth Science , ...
18
REPLIES
40.6K
VIEWS

Folds in a sheet of paper / metal / cloth

QUESTION FROM: Dietmar Klein | 13 years ago BY: Vitaliy Kaurov
Computer Science , Mathematics , Recreation , Software Development , ...
13
REPLIES
40.4K
VIEWS

Setting derivative boundary conditions in NDSolve

QUESTION FROM: Peter Bischet | 6 years ago BY: Wang JhONG
Mathematics , Mechanical Engineering
8
REPLIES
40.3K
VIEWS

Visualizing digits of Pi with colored walks

CONTRIBUTED BY: Vitaliy Kaurov | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Graphics and Visualization , Mathematica , ...
12
REPLIES
40.3K
VIEWS

Modeling and Predicting Football Results

CONTRIBUTED BY: James Milne | 10 years ago BY: EDITORIAL BOARD
Staff Picks , Computational Humanities , Data Science , ...
4
REPLIES
40K
VIEWS

Mathematica 11 Release

CONTRIBUTED BY: Zachary Littrell | 10 years ago BY: Dan M
3D Printing , Audio, Sound and Music , Events & Media , ...
41
REPLIES
39.9K
VIEWS

3D puzzle of the trefoil knot and its fibrations via 3D printing

CONTRIBUTED BY: Fred Hohman | 12 years ago BY: Rita Crook
Staff Picks , 3D Printing , Geometry , Graphics and Visualization , ...
1
REPLIES
39.9K
VIEWS

Plot multiple planes at once in Wolfram|Alpha

QUESTION FROM: Jan Cieslik | 4 years ago BY: Yoonsuck Choe
Algebra , Geometry , Mathematics , Wolfram|Alpha
4
REPLIES
39.7K
VIEWS
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