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General Math Forum

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

Convergence and stability in multivariate fixed point iteration

Mar 5, 2012 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 4K

High School Generating the formula for the coefficients of an alternating series

Jan 24, 2019 · Replies 17 · Apr 20, 2019

Replies: 17

Views: 4K

Undergrad Why are scalars and dual vectors 0- and 1-forms?

Jan 10, 2019 · Replies 4 · Apr 20, 2019

Replies: 4

Views: 2K

Undergrad Definition of Cartesian Coordinate System

Jan 10, 2019 · Replies 3 · Apr 20, 2019

Replies: 3

Views: 3K

High School How can you do e.g. 756 x 675 mentally?

Apr 9, 2019 · Replies 5 · Apr 20, 2019

Replies: 5

Views: 2K

Undergrad What is the Role of Direct Calculation in Planar Rotation Commutativity?

Mar 28, 2019 · Replies 5 · Apr 20, 2019

Replies: 5

Views: 2K

Graduate What Book Should I Use to Learn This Kind of Math?

Apr 12, 2019 · Replies 2 · Apr 20, 2019

Replies: 2

Views: 2K

Undergrad Probability distribution of random events

Jul 12, 2018 · Replies 4 · Apr 20, 2019

Replies: 4

Views: 2K

Undergrad The Multiplication Table is a Hermitian Matrix

Apr 20, 2019 · Replies 15 · Apr 20, 2019

Replies: 15

Views: 2K

Geometric Understanding of Octopole Moment Beyond Quadropole

Mar 5, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Compressed Sensing: Matching Pursuit

Mar 18, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Recursive sequence problem: proofs by mathematical induction

Sep 24, 2004 · Replies 2 · Apr 19, 2019

Replies: 2

Views: 7K

Diffusion term, convective term and time double derivative

Apr 17, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

Meijer G-function at the origin

Apr 17, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Converting Errors for Logarithmic Graphs for Scientists

Apr 20, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

Approaching an Inequality with 4 Variables: Advice & Solution Set

Apr 21, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

MHB Calculating Conditional Probability of Male/Female Customers Buying Books A-D

Apr 19, 2019 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

How to predict the shape of the circle from any point of view?

Apr 24, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

MHB ็How to Solve the system of equation

Mar 14, 2019 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

Ambiguity about roots of unity in discrete Fourier transform

Apr 27, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Saddle point in trapping region

Apr 28, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Product of gradients at intersection of null clines in 2D system

Apr 28, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Estimate a number within two (or more) overlapping ranges of number

Apr 29, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

Computing Curvature: 2D Plane & Axi-Symmetric Surfaces

May 3, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

4 dimensional curl as antisymmetric matrix

May 5, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Arctan Identities Via Exponentiation

May 29, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

How to solve equations using continued fractions?

Jun 17, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Fastest interpolation method for attitude quaternions?

Jun 28, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 3K

Intervals with Transcendental Outputs

Jul 2, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 1K

Implied Correlation: Var(a/c) Formula Explained

Jul 3, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Book: History of Mathematics since the 20th Century

Aug 6, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

How can I find the normals of a Dodecahedron in rational numbers?

Aug 28, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

Cost allocation (allocate pay across places)

Sep 30, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 1K

Mitigating Loss/Gain Asymmetry ?

Oct 1, 2012 · Replies 1 · Apr 19, 2019

Replies: 1

Views: 2K

MHB How to divide a circumference into equal parts, WITHOUT COMPASS?

Apr 18, 2019 · Replies 1 · Apr 18, 2019

Replies: 1

Views: 3K

MHB Levels of Measurement, Basic OLS Regression Questions

Apr 17, 2019 · Replies 1 · Apr 18, 2019

Replies: 1

Views: 2K

Transforming coordinate system into a rotating one

Jun 30, 2013 · Replies 7 · Apr 17, 2019

Replies: 7

Views: 2K

MHB Rate Problem: How many minutes does it take 14 people to paint 14 walls?

Apr 16, 2019 · Replies 2 · Apr 17, 2019

Replies: 2

Views: 2K

MHB Prove (tan^2 t−1)/(sec^2 t)=(tan t−cot t)/(tan t+cot t)

Apr 16, 2019 · Replies 3 · Apr 17, 2019

Replies: 3

Views: 2K

High School Correlation between shifting graph of a function and shifting the axes

Apr 15, 2019 · Replies 5 · Apr 17, 2019

Replies: 5

Views: 2K

Undergrad Is the Unit Square Bijective or Only Injective to the Real Line?

Apr 14, 2019 · Replies 7 · Apr 17, 2019

Replies: 7

Views: 2K

Bezier curves, tangent angles, and arc length

Sep 4, 2010 · Replies 2 · Apr 16, 2019

Replies: 2

Views: 5K

Technique for solving numerical cryptograms?

May 16, 2007 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

Understanding Fisher Information: Visualizations & Explanations

Sep 21, 2006 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

Correlation Dimension, what does it mean?

Oct 30, 2007 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

I need tips on Calculus: Graphical Numerical Algebraic Workbook?

Jul 4, 2006 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

Learn why we get the area of a function by integrate it

May 18, 2008 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

How can we simplify calculating geodesic distances on a deformed Earth?

Aug 8, 2006 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

Practical Problems Involving Differentiation/Integration/Limits

Aug 26, 2010 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 5K

DFT: What is the physical meaning of the symmetry about the nyquist frequency?

Oct 9, 2009 · Replies 2 · Apr 16, 2019

Replies: 2

Views: 7K

Mapping a generic quadrilateral onto a rectangle (in 2 dimensions)

May 24, 2005 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 6K

What is the Correct Formula for the Sequence x_0 in Terms of S?

Feb 3, 2011 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 2K

Derivative of ##\theta## w.r.t. ##a##: A Detailed Explanation

Oct 13, 2009 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 2K

MHB Null hypothesis and alternate hypotheses

Apr 15, 2019 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 2K

Invertible function y=f(x), x=f^(-1)(y) with two linear segments and smooth transition

Aug 30, 2008 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 4K

How can we solve sums of powers of integers using differences and integrals?

Apr 6, 2006 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 6K

Schroeder's equation: simple observation

Apr 20, 2004 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 6K

What you know about Math? - Math Rap

Apr 28, 2007 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 6K

Dirac delta function on the complex plane?

Apr 16, 2003 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

3d rotation of accelerometer vectors

Dec 1, 2007 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

Finding the Equation of a Rotated Cone

Jul 18, 2005 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

Why do we use log2(1/p(xi)) in Shannon's entropy definition?

Oct 23, 2006 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 7K

HMM (Hidden Markov Matrix) Evaluation

Sep 13, 2010 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 3K

Height of liquid in a horizontal cylinder

Apr 28, 2009 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 9K

Can Integrals Take Different Values Without Being Equal?

Oct 24, 2012 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 2K

Exploring the Power of Geometric Calculus: Differential Forms in Physics

Jul 18, 2003 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 6K

Positive definite function,semi-definite functions

Nov 2, 2012 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 3K

Using Parametrics to Draw a Picture Advice

Nov 25, 2012 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 4K

Purpose of parametric equations

Sep 5, 2007 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 5K

How to use Regression In real life

Sep 23, 2008 · Replies 1 · Apr 15, 2019

Replies: 1

Views: 4K

High School How Do Discrete Derivatives and Integrals Work in Calculus?

Apr 14, 2019 · Replies 2 · Apr 15, 2019

Replies: 2

Views: 2K

Preparing for STEP: Solving a Sphere Tangency Problem

Mar 7, 2008 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 2K

Testing Real or Complex Roots: y=g(x)D^{k}f(x)

Nov 5, 2006 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 3K

If you want to solve a cubic equation

May 4, 2009 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 6K

Learn Cholesky Algorithm for Reducing Matrices by Thursday

Nov 15, 2005 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 6K

What is the origin of the term sine?

Mar 17, 2007 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 10K

What is the lateral area of a pyramid with given side length and heights?

Jun 28, 2005 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 9K

Creating a Helix in Maya: A Simple Guide

Mar 10, 2005 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 11K

Conversion of root mean square or interval velocity into average

Aug 13, 2008 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 13K

Notation for recursion - better typesetting

Dec 20, 2003 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 13K

Archived thread Volumes of Regular Icosahedron and Regular Tetrahedron

Jul 1, 2004 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 17K

Why a negative times a negative is positive

Jun 10, 2007 · Replies 1 · Apr 14, 2019

Replies: 1

Views: 13K

How Do Series Converge in Normed Spaces?

Jul 23, 2014 · Replies 5 · Apr 13, 2019

Replies: 5

Views: 2K

Expected Value, Expected Variance,covariance

Oct 7, 2007 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 12K

How to find maximum change in the following scenario?

Feb 19, 2012 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Can Mathematics Improve Strategy in the Game of Go?

Jan 21, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

A problem on polynomial fitting

Jan 24, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 1K

Algorithm for multidimensional constrained root finding

Jan 27, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 3K

Inequalities With Parity-Specific Domains

Feb 18, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 1K

Help with moving emitter/receiver cutoff speed

Oct 4, 2007 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

System of cross-polynomials of variable degree

Mar 4, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Proof involving pairs of prime numbers

May 15, 2013 · Replies 2 · Apr 13, 2019

Replies: 2

Views: 2K

Differentiation with matrices/vectors

Mar 5, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Derangements and Contour Integrals?

Mar 5, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Is this method for exchanging symmetric key using RSA sound?

Mar 9, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 1K

Volume using pseudo-spherical coordinates

Oct 24, 2008 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 3K

Closed form for (in)finite sums

Apr 17, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Permutations with Repetition and Repeated Elements

May 12, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Counting Principles in Math: A Standard Deck of 52 Cards

Apr 1, 2004 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Claimed Proof of ABC Conjecture in Number Theory

May 22, 2013 · Replies 1 · Apr 13, 2019

Replies: 1

Views: 2K

Mathematics

Mathematics, often referred to as the language of the universe, is the systematic study of patterns, structures, and relationships using numbers, quantities, shapes, and symbols.

It is a fundamental discipline that provides tools for logical reasoning, problem-solving, and quantitative analysis. Math is divided into various branches, including algebra, geometry, calculus, statistics, and more, each serving unique purposes across diverse fields.

Whether applied in science, engineering, economics, or everyday life, mathematics offers a universal framework for understanding and modeling the intricacies of the world around us, making it an essential and foundational element of human knowledge and intellectual inquiry.

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