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

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Math Problem of the Week

Undergrad Sum of an Alternating Series
Undergrad Finding Treasure with a Gallows & Two Trees
  • · Replies 3 ·
Replies
3
Views
9K
High School Can You Solve the Bridge Troll Puzzle?
  • · Replies 14 ·
Replies
14
Views
7K
  • Poll Poll
Maths Not Boring: Reasons & Solutions
  • · Replies 39 ·
2
Replies
39
Views
11K
Undergrad Difference between equivalence and equality with functions
  • · Replies 3 ·
Replies
3
Views
7K
Undergrad Which definition of the arccotangent function is correct?
  • · Replies 2 ·
Replies
2
Views
7K
Undergrad Understanding Fourier Series: Solving a Tricky Question with Step-by-Step Guide
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Trigometric functions - Inverse/Recriprocal
  • · Replies 2 ·
Replies
2
Views
2K
High School Word problems and Linear systems.
  • · Replies 9 ·
Replies
9
Views
5K
High School Sigma Notation Help: 5+10+17+26
  • · Replies 11 ·
Replies
11
Views
3K
The answer to US declining math scores
  • · Replies 13 ·
Replies
13
Views
5K
High School Math teacher looking for modeling tool
  • · Replies 28 ·
Replies
28
Views
6K
Undergrad Find the equation of a ellipse given the foci. (1,0) (3,4)
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Does this forum include euclidean geometry?
  • · Replies 29 ·
Replies
29
Views
9K
High School Finding Number Relations in Tables - Steven Wu
  • · Replies 2 ·
Replies
2
Views
3K
3 Dimensional Construction Program?
  • · Replies 2 ·
Replies
2
Views
2K
High School Master Curve Sketching with These Comprehensive Resources | Helpful Guide
  • · Replies 1 ·
Replies
1
Views
2K
  • Poll Poll
Do You Find Geometrical Optics Frustrating?
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad Struggling with Discrete Math? Here's What to Do
  • · Replies 10 ·
Replies
10
Views
11K
Undergrad What is the Best Method to Find the Peak Point of a Quadratic Bezier Curve?
  • · Replies 13 ·
Replies
13
Views
12K
Undergrad Need a strategy for inverting a function
  • · Replies 4 ·
Replies
4
Views
3K
High School Endless or Finite? 0.000...01 Closest to Zero?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate What Are Your Thoughts on These Mathematics Books?
  • · Replies 9 ·
Replies
9
Views
5K
High School How to rationalize the numberator?
  • · Replies 9 ·
Replies
9
Views
43K
Undergrad Need a review on Complicated explonential math
  • · Replies 17 ·
Replies
17
Views
4K
Graduate Proposition needed to be proven
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Proving the Subset Sum Divisible by n
  • · Replies 6 ·
Replies
6
Views
3K
Where Can I Find a Large Trig Identities Poster for My Dorm?
  • · Replies 4 ·
Replies
4
Views
4K
High School Determining Prime Numbers: Tips & Tricks
  • · Replies 8 ·
Replies
8
Views
5K
Graduate Constrained Cubic Polynomial Fitting: A Bezier Approach?
  • · Replies 23 ·
Replies
23
Views
14K
Chat Here - Ask and Answer Questions
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How to determine when a function changes sign?
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Who knows the Guldin-Pappus theoreme?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad How to prove the irrationality of an expression
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad HELP: contact area of Cylinder inside a larger Cylinder?
  • · Replies 6 ·
Replies
6
Views
10K
Graduate What is the Power Spectrum of a Markov Chain?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Functions in Calculus textbook do not reflect behavior in Nature
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Fuzzy Number Theory: Books & Websites
  • · Replies 1 ·
Replies
1
Views
3K
High School Calculate Lowest Interest on Different Loans
  • · Replies 2 ·
Replies
2
Views
2K
Graduate The largest rational less than sqrt(10)
  • · Replies 13 ·
Replies
13
Views
4K
Graduate How can I make a tautological conclusion from these premises?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Why do non-integer powers fail in graphing x^x?
  • · Replies 17 ·
Replies
17
Views
4K
Undergrad Fuzzy Arithmetic: Learn Basics & Solve Doubts
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad How Do You Tackle Complex Vector Math Problems?
  • · Replies 10 ·
Replies
10
Views
3K
High School Solve Algebra Inequality: $\frac 1{3x^2-x-2}<0$
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Statistician analyzes paranormal predictions
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Is R(P+Q) for This Polynomial Problem 15?
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Is an Infinite Sum of Rational Numbers Always Rational?
  • · Replies 7 ·
Replies
7
Views
9K
High School Is 1,9,25,49,81,121 a Sequence or Series?
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Natural Logarithm of Negative Numbers
  • · Replies 5 ·
Replies
5
Views
23K
Graduate Can Symmetry Help Us Solve Simultaneous Equations with Different Variables?
  • · Replies 8 ·
Replies
8
Views
4K
High School How Can I Write an Absolute Value Function for the Outline of the Khufu Pyramid?
  • · Replies 6 ·
Replies
6
Views
3K
High School Binary numbers (fundamental) question
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Why no foundations of maths in Mellienium problems?
  • · Replies 5 ·
Replies
5
Views
3K
High School Can a Math Training Software Improve Your Mathematical Skills?
  • · Replies 9 ·
Replies
9
Views
8K
High School How to Calculate Engraving Costs for Pewter Mugs: An Engraving Promotion Guide
  • · Replies 11 ·
Replies
11
Views
7K
High School Solving Trigonometry Problem: 2 Variables, 2 Equations
  • · Replies 7 ·
Replies
7
Views
3K
A Mathematician's Apology. great read
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Can't find a particular example: two numbers very close together
  • · Replies 13 ·
Replies
13
Views
4K
High School Is there a free graph plotting software for maths functions?
  • · Replies 3 ·
Replies
3
Views
2K
High School What is the difference between SIN and SINH?
  • · Replies 6 ·
Replies
6
Views
50K
Undergrad Approximation of a Circle's Circumference
  • · Replies 3 ·
Replies
3
Views
7K
High School The fly and train math problem
  • · Replies 8 ·
Replies
8
Views
12K
High School Solve the following equation x^2 – x < 0
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Samples of parametric equations
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What is undergraduate math like beyond the calculus sequence?
  • · Replies 6 ·
Replies
6
Views
8K
Undergrad Angle between vectors that are both off set by a third vector
  • · Replies 3 ·
Replies
3
Views
4K
High School Units Digit of n: Is it Greater than 4?
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Math Practice Ideas for Aspiring Physics Students?
  • · Replies 3 ·
Replies
3
Views
2K
High School Gaining Geometry Knowledge to Books for the New Learner
  • · Replies 4 ·
Replies
4
Views
4K
High School Finding Square & Cube Roots by Hand
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Can Infinity Minus X Ever Be Larger?
  • · Replies 4 ·
Replies
4
Views
10K
Undergrad Criminal offences in maths textbooks
  • · Replies 38 ·
2
Replies
38
Views
8K
High School Radian and Degree with Graphing Calculator
  • · Replies 5 ·
Replies
5
Views
42K
High School Solve Inequality: x - 1 = 1 - x | Tom Thanks
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Can We Define the Undefined Concepts of Zero and Infinity?
  • · Replies 14 ·
Replies
14
Views
11K
High School Schools Compete in Track Meet: Who Won the High Jump?
  • · Replies 10 ·
Replies
10
Views
5K
High School Number 9 multiplication tricks
  • · Replies 10 ·
Replies
10
Views
4K
Undergrad How can the centroid and triangle angles help prove equilateral triangles?
  • · Replies 12 ·
Replies
12
Views
6K
Undergrad Trigonometry sin and cos question
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Classifying 3D Shapes into Finite Categories
  • · Replies 2 ·
Replies
2
Views
4K
High School Calculate the average speed in km/h of earth assuming a circular path
  • · Replies 7 ·
Replies
7
Views
5K
Kakuro is based on partitions of integers
  • · Replies 3 ·
Replies
3
Views
3K
High School What Is Infinity? Explained for Beginners
  • · Replies 33 ·
2
Replies
33
Views
6K
High School Is the Modulus Function One or Two Functions?
  • · Replies 3 ·
Replies
3
Views
6K
High School Cracking Passwords: Calculating Outcomes with 3 Characters
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Can 31 Dominoes Cover a Truncated Checkerboard?
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad A Circle And Adjacent Number Puzzle
  • · Replies 6 ·
Replies
6
Views
19K
Undergrad Solve a Funny Brain Teaser: 3-Way Cyborg Duel
  • · Replies 12 ·
Replies
12
Views
21K
Undergrad Are There Closed Form Versions for Cubic Polynomials with 3 or 4 Points?
  • · Replies 5 ·
Replies
5
Views
4K
Welcome! I'm a 1st Year BSc Student in Maths
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad How Can Trigonometry Be Used to Find Distances in Perspective?
  • · Replies 5 ·
Replies
5
Views
3K
How Can You Effectively Tackle Challenging Math Problems?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Goemetric Algebra Vs Algebraic Geometry.
  • · Replies 10 ·
Replies
10
Views
12K
High School Showing Collinearity: Methods & Geometric Shapes
  • · Replies 2 ·
Replies
2
Views
3K
High School Where can I learn Quick math - Help
  • · Replies 13 ·
Replies
13
Views
4K
High School Permutation Problem: Arrange "PARALLEL" w/ 2 "L"s Together
  • · Replies 10 ·
Replies
10
Views
9K
High School Is f(x) = x^2 on [-5,10] an even function?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Conjecture Connecting All Branches of Math
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Proving Circle Has Smallest Perimeter for Same Area
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Using Trig Identities to Simplify Sin(Kx)sin(2Kx)
  • · Replies 2 ·
Replies
2
Views
2K