General Math Forum

Post thread

Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Math Proof Training and Practice

A gap in resources that should help students visualise mathematics

Sep 4, 2025

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Aug 30, 2022

Math Problem of the Week

Undergrad Sum of an Alternating Series

Mar 28, 2025

Filters

Graduate What Influences Shaped Isaac Barrow's Legacy?

Apr 28, 2003 · Replies 7 · Apr 29, 2003

Replies: 7

Views: 6K

Undergrad Where can I find downloadable math texts to help me reacquaint myself with math?

Apr 28, 2003 · Replies 1 · Apr 28, 2003

Replies: 1

Views: 3K

Graduate Finding Formula for Number of QN*QN Pairs Between 1 and p-1

Apr 21, 2003 · Replies 7 · Apr 28, 2003

Replies: 7

Views: 3K

Undergrad Word problems are a nightmare HELP?

Apr 23, 2003 · Replies 9 · Apr 27, 2003

Replies: 9

Views: 3K

Graduate Is There a Unified Theory of Mathematics?

Apr 26, 2003 · Replies 1 · Apr 26, 2003

Replies: 1

Views: 2K

Undergrad Is the Concept of 'Location' Defined as a Single Point in Mathematics?

Apr 25, 2003 · Replies 2 · Apr 26, 2003

Replies: 2

Views: 3K

Undergrad Equation for he indicated parabola

Apr 25, 2003 · Replies 6 · Apr 26, 2003

Replies: 6

Views: 5K

Undergrad Solving Equations with xy-yx = 1

Apr 25, 2003 · Replies 4 · Apr 26, 2003

Replies: 4

Views: 7K

Undergrad I'm better then Newton (Method of Approximation)

Apr 24, 2003 · Replies 4 · Apr 25, 2003

Replies: 4

Views: 6K

Graduate Centroid of irregular polygons

Apr 23, 2003 · Replies 1 · Apr 25, 2003

Replies: 1

Views: 21K

Graduate How was Stirling's approximation derived?

Apr 23, 2003 · Replies 2 · Apr 24, 2003

Replies: 2

Views: 5K

Undergrad Algorithm which is optimal for these geometry problems

Apr 20, 2003 · Replies 2 · Apr 23, 2003

Replies: 2

Views: 3K

High School Right or wrong to put equality between two different units

Apr 17, 2003 · Replies 13 · Apr 23, 2003

Replies: 13

Views: 4K

Graduate Solving Algebra Problem on Electrodynamics of Moving Bodies

Apr 17, 2003 · Replies 9 · Apr 23, 2003

Replies: 9

Views: 3K

Welcome to the Maths & Physics Forum!

Apr 16, 2003 · Replies 14 · Apr 22, 2003

Replies: 14

Views: 3K

Graduate Excuse Me While I Drill A Hole My Head

Apr 19, 2003 · Replies 2 · Apr 21, 2003

Replies: 2

Views: 4K

High School 2 way equation? (which is right?)

Apr 17, 2003 · Replies 9 · Apr 20, 2003

Replies: 9

Views: 6K

What is the Dimension of This Cellular Fractal?

Apr 16, 2003 · Replies 4 · Apr 19, 2003

Replies: 4

Views: 3K

Undergrad Why is Linear Algebra causing confusion despite high exam grades?

Apr 14, 2003 · Replies 9 · Apr 19, 2003

Replies: 9

Views: 3K

Undergrad How Do Numbers 0.818269321 and 10.818269321 Relate Mathematically?

Apr 18, 2003 · Replies 1 · Apr 18, 2003

Replies: 1

Views: 4K

Graduate Poincare Hypothesis Proof (Maybe?)

Apr 17, 2003 · Replies 3 · Apr 18, 2003

Replies: 3

Views: 5K

Undergrad Can You Create Squares of Integral Areas on an 8x8 Grid Using Strings?

Apr 15, 2003 · Replies 3 · Apr 16, 2003

Replies: 3

Views: 4K

Graduate Had a question about a equation

Apr 15, 2003 · Replies 1 · Apr 15, 2003

Replies: 1

Views: 3K

High School Finding a Digit of Pi Without Previous Knowledge

Apr 14, 2003 · Replies 7 · Apr 15, 2003

Replies: 7

Views: 4K

High School Creating Superscripts and Subscripts Using the &name Format

Apr 6, 2003 · Replies 7 · Apr 14, 2003

Replies: 7

Views: 4K

High School Are Perpendicular Lines Always Right Angles, Even if They Appear Acute?

Apr 12, 2003 · Replies 4 · Apr 14, 2003

Replies: 4

Views: 3K

Graduate How to Solve for the Value of B in a Geometric Series

Apr 12, 2003 · Replies 11 · Apr 14, 2003

Replies: 11

Views: 6K

Undergrad Why Does the Equation x/2 = 3/y Represent a Hyperbola?

Apr 13, 2003 · Replies 2 · Apr 13, 2003

Replies: 2

Views: 3K

High School Is the number Pi's sequence of digits infinite and unpredictable?

Apr 4, 2003 · Replies 24 · Apr 12, 2003

Replies: 24

Views: 5K

High School Can You Solve the Riddle of the 9 Balls with Only 3 Weighings?

Mar 17, 2003 · Replies 14 · Apr 12, 2003

Replies: 14

Views: 29K

High School Who was Fermat and Why Was His Last Theorem So Significant?

Apr 6, 2003 · Replies 7 · Apr 10, 2003

Replies: 7

Views: 4K

Graduate Math is said to be a superset of physics

Apr 7, 2003 · Replies 7 · Apr 9, 2003

Replies: 7

Views: 5K

Undergrad What is the p/q Method in Solving Quartic or Higher Order Polynomials?

Apr 8, 2003 · Replies 5 · Apr 9, 2003

Replies: 5

Views: 22K

Undergrad A.B = AB cos(x), and AxB = AB sin(x)

Apr 8, 2003 · Replies 1 · Apr 8, 2003

Replies: 1

Views: 9K

Undergrad Can erf(x) be used to solve e^(x^2)?

Apr 2, 2003 · Replies 3 · Apr 7, 2003

Replies: 3

Views: 4K

Undergrad Is This Equation Solvable? A Question About Proving a Complex Equation

Apr 4, 2003 · Replies 16 · Apr 7, 2003

Replies: 16

Views: 5K

Undergrad How Do You Solve Log2(x^log2x) = 4?

Apr 6, 2003 · Replies 9 · Apr 6, 2003

Replies: 9

Views: 6K

Undergrad We know e (exponential) is a irrational number

Apr 2, 2003 · Replies 9 · Apr 6, 2003

Replies: 9

Views: 5K

High School Mathematicians Unlock Prime Number Secrets

Apr 5, 2003 · Replies 6 · Apr 5, 2003

Replies: 6

Views: 4K

Graduate Equilibrium Points of Directed Graphs

Apr 4, 2003 · Replies 4 · Apr 5, 2003

Replies: 4

Views: 10K

High School What are imaginary numbers and how and why are they used in physics?

Apr 3, 2003 · Replies 4 · Apr 4, 2003

Replies: 4

Views: 5K

Undergrad How to Solve Exponential and Polynomial Equations?

Apr 2, 2003 · Replies 2 · Apr 2, 2003

Replies: 2

Views: 3K

High School Do Prime Numbers Continue Indefinitely?

Mar 29, 2003 · Replies 7 · Apr 2, 2003

Replies: 7

Views: 10K

Graduate Can Greedy Coloring on Chordal Graph Complements Be Proven Optimal?

Apr 1, 2003 · Replies 1 · Apr 1, 2003

Replies: 1

Views: 4K

Karl Gauss: Finding His Works Online & in Books

Mar 31, 2003 · Replies 3 · Apr 1, 2003

Replies: 3

Views: 8K

High School Know of any puzzles dealing with exponents?

Apr 1, 2003 · Replies 1 · Apr 1, 2003

Replies: 1

Views: 6K

Graduate Theory of Interaction by Eugene Savov

Mar 31, 2003 · Replies 3 · Apr 1, 2003

Replies: 3

Views: 4K

High School Is there a way to write 5.000000000 1?

Mar 26, 2003 · Replies 6 · Apr 1, 2003

Replies: 6

Views: 5K

Undergrad Why Does E=MC2 Matter in the Universe?

Mar 20, 2003 · Replies 18 · Mar 31, 2003

Replies: 18

Views: 8K

Undergrad What is the largest possible number of acute angles

Mar 31, 2003 · Replies 2 · Mar 31, 2003

Replies: 2

Views: 5K

Graduate What is the value of x - y? Question 2

Mar 31, 2003 · Replies 2 · Mar 31, 2003

Replies: 2

Views: 4K

High School Learning about finding the slope of a line

Mar 18, 2003 · Replies 32 · Mar 30, 2003

Replies: 32

Views: 9K

High School Geometry Symbol m[<]: Meaning & Explanation

Mar 30, 2003 · Replies 1 · Mar 30, 2003

Replies: 1

Views: 5K

Graduate Relative identifiability of analog vs prime extraterrestrial signals

Mar 29, 2003 · Replies 1 · Mar 30, 2003

Replies: 1

Views: 4K

Some equation, do it make sense without being explained?

Mar 27, 2003 · Replies 15 · Mar 29, 2003

Replies: 15

Views: 5K

Graduate Looking for Tensor and DFT e-print

Mar 28, 2003 · Replies 1 · Mar 29, 2003

Replies: 1

Views: 4K

Memorizing Pi and Other Constants: Is It Worth It?

Mar 17, 2003 · Replies 21 · Mar 27, 2003

Replies: 21

Views: 15K

Undergrad Is (x + a + b)^7 - x^7 - a^7 - b^7 Divisible by x^2 + (a + b)x + ab?

Mar 25, 2003 · Replies 4 · Mar 26, 2003

Replies: 4

Views: 6K

Welcome to Carsten's Test - Can You Solve the Equation?

Mar 20, 2003 · Replies 9 · Mar 24, 2003

Replies: 9

Views: 5K

High School What is Calculus? Answers for Everyone

Mar 20, 2003 · Replies 8 · Mar 24, 2003

Replies: 8

Views: 5K

Undergrad I want to teach myself Calculus

Mar 22, 2003 · Replies 9 · Mar 23, 2003

Replies: 9

Views: 33K

Graduate Is the Mind the Fundamental Link Between Mathematics and Physics?

Mar 18, 2003 · Replies 10 · Mar 22, 2003

Replies: 10

Views: 5K

High School What are the defining features of a rhombus?

Mar 20, 2003 · Replies 1 · Mar 20, 2003

Replies: 1

Views: 6K

Graduate How Is Category Theory Applied in Physics?

Mar 18, 2003 · Replies 2 · Mar 20, 2003

Replies: 2

Views: 8K

High School How can Calculus classes be a student's dream?

Mar 17, 2003 · Replies 5 · Mar 18, 2003

Replies: 5

Views: 5K

Graduate What is the difference between Zeno's paradox and the Thompson lamp?

Mar 7, 2003 · Replies 5 · Mar 18, 2003

Replies: 5

Views: 7K

The best way to infinite numbers

Mar 18, 2003 · Replies 1 · Mar 18, 2003

Replies: 1

Views: 5K

General Math Forum

Math Proof Training and Practice

Math Guides, Tutorials and Articles

Math Problem of the Week

Show only:

Undergrad Geometry problem of interest with a 3-4-5 triangle

Undergrad Trigonometry problem of interest

Insights Fixing Things Which Can Go Wrong With Complex Numbers

High School Area of Overlapping Squares

High School Can Six Pencils Be Arranged to Each Touch the Other Five?

Insights Thinking Outside The Box Versus Knowing What’s In The Box

Insights Why Entangled Photon-Polarization Qubits Violate Bell’s Inequality

Insights Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect

Insights What Exactly is Dirac’s Delta Function? - Insight

Insights Relativator (Circular Slide-Rule): Simulated with Desmos - Insight

Insights Fixing Things Which Can Go Wrong With Complex Numbers