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
Understanding the Distribution Rule in Algebra: Proof and Logic Explained"
  • · Replies 14 ·
Replies
14
Views
3K
When should I start reviewing Calculus while reviewing Algebra?
  • · Replies 5 ·
Replies
5
Views
5K
Publishing Papers & Journals: What You Need to Know
  • · Replies 1 ·
Replies
1
Views
2K
Are all irrational numbers rational?
  • · Replies 4 ·
Replies
4
Views
5K
What is the projection of the empty set?
  • · Replies 2 ·
Replies
2
Views
3K
Perelman, Poincare Conjecture solved now?
  • · Replies 6 ·
Replies
6
Views
5K
Proof of irrationality of sqrt(2)
  • · Replies 14 ·
Replies
14
Views
6K
Why do I make math errors and how can I prevent them?
  • · Replies 11 ·
Replies
11
Views
3K
Tree Traversal Explained: In-Order & Post-Order
  • · Replies 1 ·
Replies
1
Views
3K
Proving Connectedness of Cycle Graphs: An Alternative Approach
  • · Replies 6 ·
Replies
6
Views
5K
DeMorgan Theorem & Excel Formula
  • · Replies 1 ·
Replies
1
Views
5K
Question about squares/square roots
  • · Replies 23 ·
Replies
23
Views
4K
Solving Trig Related Physics Problem: Step by Step Guide
  • · Replies 1 ·
Replies
1
Views
2K
An equation with a proportion in it
  • · Replies 2 ·
Replies
2
Views
3K
An infinite amount of integers?
  • · Replies 23 ·
Replies
23
Views
3K
To Study Math or not to Study Math
  • · Replies 6 ·
Replies
6
Views
4K
How can I solve this tough integral problem involving sqrt(x^2-1)?
  • · Replies 21 ·
Replies
21
Views
6K
What is the simplified trigonometry procedure?
  • · Replies 2 ·
Replies
2
Views
3K
Can anyone tell me what this is a picture of?
  • · Replies 8 ·
Replies
8
Views
3K
What are some fun number tricks for kids to learn?
  • · Replies 9 ·
Replies
9
Views
8K
Simple maths but i don't understand why (about recurring decimals or repeating)
  • · Replies 27 ·
Replies
27
Views
5K
Is Newton's Lemma 28 a Flawed Argument Against the Area of Ovals?
  • · Replies 21 ·
Replies
21
Views
5K
What is the definition of S in the proof for convergence of Riemann sum?
  • · Replies 5 ·
Replies
5
Views
3K
What is the analytical solution to a particle decay problem on a line?
  • · Replies 7 ·
Replies
7
Views
3K
Rewriting an integral involving an exponential
  • · Replies 2 ·
Replies
2
Views
2K
Equations of motion and Navy deck guns
  • · Replies 15 ·
Replies
15
Views
3K
What does the function machine do with numbers 1, 2, 4, and 7?
  • · Replies 5 ·
Replies
5
Views
2K
What is the correct quadratic formula for solving this physics problem?
  • · Replies 3 ·
Replies
3
Views
4K
Geometry: Learn About Toruses & N-Balls
  • · Replies 5 ·
Replies
5
Views
2K
Project 251A: calculating area of dynamic shapes
  • · Replies 2 ·
Replies
2
Views
3K
Artice M. David: The Fourier Transform
  • · Replies 1 ·
Replies
1
Views
2K
Finding a Textbook to Learn Concepts in Calculus
  • · Replies 7 ·
Replies
7
Views
3K
A Clarification on the Summation symbol
  • · Replies 7 ·
Replies
7
Views
6K
Visual Proofs in Mathematics: Does Pictures Tell More than 1000 Words?
  • · Replies 5 ·
Replies
5
Views
3K
Constructing 3D Figures from Polygons
  • · Replies 1 ·
Replies
1
Views
3K
Showing Value "a" for Continuous Function f(x) in a Closed Interval
  • · Replies 7 ·
Replies
7
Views
4K
Proof: No Polygon Tiling by Convex Quadrilaterals | Geometry Statement
  • · Replies 9 ·
Replies
9
Views
3K
Cracking Master Combination Locks
  • · Replies 3 ·
Replies
3
Views
14K
[help] how to prove this equation
  • · Replies 4 ·
Replies
4
Views
5K
WHO created this geometry theory?
  • · Replies 2 ·
Replies
2
Views
4K
Interpretation of matrix multiplication?
  • · Replies 2 ·
Replies
2
Views
13K
Is ln(1+exp(x)) = x when x is a large number?
  • · Replies 11 ·
Replies
11
Views
30K
How to solve cube roots question ?
  • · Replies 4 ·
Replies
4
Views
14K
Understanding the Formulas for Area of Spherical Triangles
  • · Replies 2 ·
Replies
2
Views
3K
Matrices - finding a general solution.
  • · Replies 2 ·
Replies
2
Views
4K
Is there any math way to solve a Sudoku
  • · Replies 35 ·
2
Replies
35
Views
35K
Quadratic Equations with positive root
  • · Replies 8 ·
Replies
8
Views
5K
When was your last WOW moment in mathematics?
  • · Replies 4 ·
Replies
4
Views
3K
Practical question about modular multiplication
  • · Replies 7 ·
Replies
7
Views
2K
Uncovering the Mystery of Complex Roots
  • · Replies 16 ·
Replies
16
Views
3K
Find distance between two points on Earth
  • · Replies 8 ·
Replies
8
Views
13K
Find the Equation of Plane & Distance from Point
  • · Replies 1 ·
Replies
1
Views
3K
Solving Exponent Problems: Can't Tell Which is Bigger?
  • · Replies 10 ·
Replies
10
Views
5K
How do mathematicians find things to investigate?
  • · Replies 14 ·
Replies
14
Views
3K
[help] A laplace transform definition problem
  • · Replies 1 ·
Replies
1
Views
2K
Finding Solutions for Non-Linear Equations and ODEs in Math
  • · Replies 4 ·
Replies
4
Views
2K
How to prove e^ix=cos x + i sin x
  • · Replies 4 ·
Replies
4
Views
13K
Uncovering the Origins of the Hardy in Hardy-Weinberg Equilibrium
  • · Replies 4 ·
Replies
4
Views
4K
How can I generate the nth number in the Godel, Escher, Bach number sequence?
  • · Replies 7 ·
Replies
7
Views
9K
Do quantifiable values become less definite as they increase?
  • · Replies 6 ·
Replies
6
Views
8K
How far can a car travel along a parabolic trajectory between two points?
  • · Replies 8 ·
Replies
8
Views
2K
Looking for a free Calculus book? Check this out!
  • · Replies 2 ·
Replies
2
Views
3K
Proving geometric theorems by vector method
  • · Replies 1 ·
Replies
1
Views
5K
Grimm's Conjecture: Origin & Sources
  • · Replies 2 ·
Replies
2
Views
3K
Between two rationals there are at least one irrational.
  • · Replies 24 ·
Replies
24
Views
9K
How Can We Generate Trig Tables with the 'Many Worlds' Approach?
  • · Replies 3 ·
Replies
3
Views
3K
How Can I Find the 4th Coordinate of a Parallelogram in 3D Space?
  • · Replies 3 ·
Replies
3
Views
3K
The product between quaternion
  • · Replies 3 ·
Replies
3
Views
3K
Radians - why do we use these instead of decimal?
  • · Replies 14 ·
Replies
14
Views
6K
How is the multiplication rule for complex numbers derived?
  • · Replies 11 ·
Replies
11
Views
3K
Calculating Volume of a Dome - What to Measure & Equations Needed
  • · Replies 2 ·
Replies
2
Views
21K
Why Sine is an odd function and Cosine is an even function?
  • · Replies 5 ·
Replies
5
Views
5K
Omnigraph OGR File Download: Fast Forward the Dynamic Constant
  • · Replies 7 ·
Replies
7
Views
4K
How Many Cookies Did Tim Eat on the First Day?
  • · Replies 1 ·
Replies
1
Views
3K
Asymptotic mathcing for a first order differential equation
  • · Replies 4 ·
Replies
4
Views
2K
Sums of Reciprocals of Infinite Subsets of Primes
  • · Replies 16 ·
Replies
16
Views
6K
Asymptotic methods and pertubation method
  • · Replies 2 ·
Replies
2
Views
3K
Proving Math is a Language: A Mathematical Argument
  • · Replies 40 ·
2
Replies
40
Views
14K
Is 1 Really Equal to 0? An Amazing Discovery!
  • · Replies 12 ·
Replies
12
Views
3K
Solutions for roots polynomials.
  • · Replies 2 ·
Replies
2
Views
2K
Proving the Rationality or Irrationality of Numbers with Non-Natural Bases
  • · Replies 9 ·
Replies
9
Views
3K
Are there any prime gap results like this
  • · Replies 2 ·
Replies
2
Views
2K
SUBSET-SUM problem can be solved in polynomial time
  • · Replies 3 ·
Replies
3
Views
9K
Why am I getting a constant error when trying to graph f(x)=X^3-9X in Math CAD?
  • · Replies 2 ·
Replies
2
Views
3K
Axiomatic Systems: Does Boolean Logic Apply?
  • · Replies 1 ·
Replies
1
Views
2K
Calculating Z Co-ordinate for 3D Pipe at (0,0,0)
  • · Replies 2 ·
Replies
2
Views
2K
Why is pi defined as C/d instead of C/r?
  • · Replies 8 ·
Replies
8
Views
16K
Millennium Problems: Mathematicians' View on Status & Future
  • · Replies 11 ·
Replies
11
Views
4K
How can I simplify sqrt( 4t^2 + 4 + ( 1/t ) ) to (2t^2 + 1)/t?
  • · Replies 5 ·
Replies
5
Views
3K
What does C^r mean for a function of several variables?
  • · Replies 1 ·
Replies
1
Views
2K
Mathematical series calculations
  • · Replies 3 ·
Replies
3
Views
2K
Vector rotation (possibly Euler angles)
  • · Replies 4 ·
Replies
4
Views
21K
How do minimal tree generators work?
  • · Replies 2 ·
Replies
2
Views
2K
Circle Geometry Problems: Finding Radii and Tangents
  • · Replies 2 ·
Replies
2
Views
2K
Simplify Math Problem: How to Get Final Answer?
  • · Replies 1 ·
Replies
1
Views
2K
Favorite definitions, theorems, proofs, etc.?
  • · Replies 28 ·
Replies
28
Views
5K
Real-Life Applications of Logarithms
  • · Replies 5 ·
Replies
5
Views
10K
Definition of asymptotic relation
  • · Replies 1 ·
Replies
1
Views
5K
Negative numbers to non-interger powers
  • · Replies 11 ·
Replies
11
Views
5K
Inverting Integer Numbers - Is There a Formula?
  • · Replies 9 ·
Replies
9
Views
21K