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
Can You Always Solve for x When Finding Inverse Functions in Precalculus?
  • · Replies 5 ·
Replies
5
Views
6K
Example of a Nonlinear Operator | Math Definition
  • · Replies 5 ·
Replies
5
Views
25K
How Can I Create 3D Vectors Based on Magnitude and Polar Coordinates?
  • · Replies 4 ·
Replies
4
Views
2K
Square metre to Square Feet conversion
  • · Replies 4 ·
Replies
4
Views
51K
Evaluation of 1+(1/3^3)+(1/5^3)+
  • · Replies 4 ·
Replies
4
Views
3K
Finding Coefficients for A=1 in Problem
  • · Replies 13 ·
Replies
13
Views
3K
Exploring Variation in Slopes of Horizontal Asymptotes in Rational Functions
  • · Replies 14 ·
Replies
14
Views
5K
Minimize the time to do a delivery route
  • · Replies 2 ·
Replies
2
Views
2K
Calculating Expectation for a Random Walk with a Time-Varying Function
  • · Replies 2 ·
Replies
2
Views
5K
More on 0.999~ vs 1: Comparing Numbers
  • · Replies 60 ·
3
Replies
60
Views
11K
Proofs Using Examples: Examples Beyond Linear Algebra
  • · Replies 13 ·
Replies
13
Views
3K
What is the Formula for the Harmonic Curve?
  • · Replies 3 ·
Replies
3
Views
3K
How Can Approximations by Expansion Simplify Scientific Calculations?
  • · Replies 3 ·
Replies
3
Views
2K
Series Approximation of Functions: Taylor/McLaurin, Fourier & More
  • · Replies 1 ·
Replies
1
Views
2K
Contribute to McGill's "Crossnumbers" Math Magazine!
  • · Replies 6 ·
Replies
6
Views
2K
Can a Circle be Described as a Polygon?
  • · Replies 19 ·
Replies
19
Views
5K
Becoming an amateur mathematician?
  • · Replies 4 ·
Replies
4
Views
15K
Derive Sin(x+y) & Cos(x+y) Using Euler's Formula
  • · Replies 3 ·
Replies
3
Views
2K
Behaviour of Algorithms at Time at Infinity
  • · Replies 8 ·
Replies
8
Views
3K
Understanding Integration: Unpacking the Formula and Solving Problems
  • · Replies 10 ·
Replies
10
Views
3K
Math Help for SAT 750 & AP 5: Should I Take H191?
  • · Replies 4 ·
Replies
4
Views
3K
Quadrilateral Sides Proportional Section
  • · Replies 4 ·
Replies
4
Views
3K
Computing Mean Anomoly from Vector Confusion
  • · Replies 7 ·
Replies
7
Views
2K
Solving Statistics with PDFs: Retiring 11 Cars/Week After 6 Years
  • · Replies 13 ·
Replies
13
Views
3K
Is a Point Inside a Triangle? Testing for Inclusion on a 2D Plane
  • · Replies 8 ·
Replies
8
Views
33K
Converting Tricky Parametric Equations into a Single Function | Tips & Tricks
  • · Replies 4 ·
Replies
4
Views
4K
Can All Functions Be Plotted on a Complex Plane?
  • · Replies 1 ·
Replies
1
Views
6K
A -ve number greater than infinity?
  • · Replies 16 ·
Replies
16
Views
5K
Can someone give me the solution of that trinomial
  • · Replies 10 ·
Replies
10
Views
3K
Is Phi More Than Just a Fun Mathematical Curiosity?
  • · Replies 21 ·
Replies
21
Views
5K
Solving Simultaneous Equations in INDIA | Grade 12
  • · Replies 2 ·
Replies
2
Views
2K
A Burst of Colorful Spring Flowers
  • · Replies 11 ·
Replies
11
Views
2K
The angle between two 3D lines
  • · Replies 3 ·
Replies
3
Views
27K
How Are Angles Between Lines Related to Their Perpendiculars?
  • · Replies 1 ·
Replies
1
Views
8K
Crack the Code: Find the Optimal Strategy
  • · Replies 1 ·
Replies
1
Views
2K
Help with Cycloid: Find Equation for Area Inside Curvilinear Triangle
  • · Replies 3 ·
Replies
3
Views
3K
Area, Perimeter & Radius of Circles & Polygons
  • · Replies 4 ·
Replies
4
Views
3K
How to Simplify This Algebraic Expression?
  • · Replies 5 ·
Replies
5
Views
2K
Geometry and Discrete Mathematics notes? Resources?
  • · Replies 2 ·
Replies
2
Views
4K
Is degree of certainty a valid theory in probability?
  • · Replies 3 ·
Replies
3
Views
2K
Evaluating Sum Expression - Help Needed
  • · Replies 2 ·
Replies
2
Views
2K
Do Mathematician understand or like Physics?
  • · Replies 16 ·
Replies
16
Views
7K
Question re proof of irrational nos.
  • · Replies 15 ·
Replies
15
Views
3K
Reasonable approach to learning mathematics? (Starting with logic.)
  • · Replies 3 ·
Replies
3
Views
6K
Max Value of f(x): 3cos(4πx-1.3) + 5cos(2πx+0.5)
  • · Replies 3 ·
Replies
3
Views
2K
Near Equalities in Mathematics
  • · Replies 3 ·
Replies
3
Views
2K
How Steep Should a Tunnel Slope Be for Comfortable Walking?
  • · Replies 1 ·
Replies
1
Views
2K
Calculating a correction factor
  • · Replies 5 ·
Replies
5
Views
14K
Proving Infinite Sum of n^2 a^n/n! = a(1+a)e^a
  • · Replies 2 ·
Replies
2
Views
2K
Solve Exponentials Problem: ln((V+v)/(V-v)) = 2ctV
  • · Replies 4 ·
Replies
4
Views
2K
Explaining "If a=1 and b=1: then a squared - 1...
  • · Replies 4 ·
Replies
4
Views
2K
Quantities as an ordinary decimal number
  • · Replies 2 ·
Replies
2
Views
3K
Solving x²=-1/2ln(x) with x in (0,2]
  • · Replies 3 ·
Replies
3
Views
2K
Equation of a Helix: Find Answers to Parametric Equations
  • · Replies 1 ·
Replies
1
Views
37K
Why does 0! equal 1 and contradict the concept of multiplication?
  • · Replies 24 ·
Replies
24
Views
5K
Is Zero Not Equal to One and Why?
  • · Replies 2 ·
Replies
2
Views
3K
Write 2^2 * 3 * 5 as a natural number?
  • · Replies 1 ·
Replies
1
Views
2K
Solve Polynomial Problem: (4x^3 - 8x^3 + 7x - 2)
  • · Replies 4 ·
Replies
4
Views
3K
Unpacking Dilbert's Math: Is Mr. Adams Right?
  • · Replies 7 ·
Replies
7
Views
26K
What is a Gradient and How is it Calculated in Image Processing?
  • · Replies 5 ·
Replies
5
Views
8K
Is It Possible for a Bug to Traverse Less Than 14 Meters in a Room?
  • · Replies 12 ·
Replies
12
Views
2K
The limit of sqrt(x) as x goes to 0
  • · Replies 8 ·
Replies
8
Views
30K
Accidentally Discovering Something Mathematical: How to Publish?
  • · Replies 6 ·
Replies
6
Views
3K
Equal Integration on Real and Rotated Axes: Why the Difference at +pi/4?
  • · Replies 3 ·
Replies
3
Views
2K
Find the square root of a quantity in what unit
  • · Replies 4 ·
Replies
4
Views
3K
Defining and Evaluating the Limit of e: A Closer Look
  • · Replies 10 ·
Replies
10
Views
4K
Is Arnold's Problems Worth the Price?
  • · Replies 3 ·
Replies
3
Views
3K
Surjective, injective, bijective how to tell apart
  • · Replies 13 ·
Replies
13
Views
19K
Mathematics of the butterfly effect
  • · Replies 1 ·
Replies
1
Views
6K
Is the Graph of y = x^x Significant?
  • · Replies 16 ·
Replies
16
Views
4K
How Do I Tackle Basic Integration in Economics After a Long Break?
  • · Replies 7 ·
Replies
7
Views
4K
Complex Exponential: Why is e Used?
  • · Replies 2 ·
Replies
2
Views
3K
Defining Success: What Does it Mean?
  • · Replies 35 ·
2
Replies
35
Views
5K
Infinity x Zero: James' Math Problem
  • · Replies 7 ·
Replies
7
Views
6K
Simple equation, but I dont know how to solve for x
  • · Replies 7 ·
Replies
7
Views
3K
Help With Expansion of f(x) Function!
  • · Replies 8 ·
Replies
8
Views
2K
Functions that introduce new degrees of freedom?
  • · Replies 7 ·
Replies
7
Views
3K
Can the Dirac Distribution be Proven Using Integrals?
  • · Replies 5 ·
Replies
5
Views
3K
Formulae for Quantum Mechanics, Quantum Field Theory, and Perturbation Theory
  • · Replies 6 ·
Replies
6
Views
23K
Solving a Probability Problem with 20 Chickens
  • · Replies 2 ·
Replies
2
Views
2K
Need help with ODE and Existence and Uniqueness Thm
  • · Replies 2 ·
Replies
2
Views
4K
What is the Spherical Coordinate Equivalent of the Cartesian k Unit Vector?
  • · Replies 4 ·
Replies
4
Views
5K
Can a Cube Be Cut into Smaller Cubes of the Same Size?
  • · Replies 5 ·
Replies
5
Views
3K
Elementary Real and Complex Analysis
  • · Replies 6 ·
Replies
6
Views
3K
Residue of z/cos(z): Explanation & Calculation
  • · Replies 15 ·
Replies
15
Views
17K
What is the Process to Decrypt Ciphertexts Encrypted with the Same One Time Pad?
  • · Replies 1 ·
Replies
1
Views
3K
Pleasezzzzzzzz Help with final marking perios project.
  • · Replies 7 ·
Replies
7
Views
2K
Proof of x^{3/2} = \sqrt{x^{3}} is a typo?
  • · Replies 7 ·
Replies
7
Views
3K
Surface area of a cube with the length of each edge equal to x+1
  • · Replies 5 ·
Replies
5
Views
6K
Fourier transform for Discrete signal
  • · Replies 2 ·
Replies
2
Views
5K
How to Simplify Trigonometric Expressions?
  • · Replies 6 ·
Replies
6
Views
3K
Cubic with three real irrational roots.
  • · Replies 5 ·
Replies
5
Views
11K
Any good sites for learning math?
  • · Replies 4 ·
Replies
4
Views
5K
Is this pre algebra problem correctly solved?
  • · Replies 15 ·
Replies
15
Views
3K
Show Region of Integration for Multiple Integrals
  • · Replies 4 ·
Replies
4
Views
2K
Why Does n^0=1? Understanding the Exponent Rule in Math
  • · Replies 4 ·
Replies
4
Views
2K
Functions with x in different base.
  • · Replies 15 ·
Replies
15
Views
4K
Integral Problem: Solve Complex Integral on Exam
  • · Replies 16 ·
Replies
16
Views
4K
Difference between Kronecker delta and identity matrix
  • · Replies 6 ·
Replies
6
Views
33K
What Defines Group Axioms in Mathematics?
  • · Replies 8 ·
Replies
8
Views
3K