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
A video lecture and tutorials collection site.
  • · Replies 4 ·
Replies
4
Views
14K
Undergrad What is the minimum value of N in this cryptarithmetic equation?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad The Lamplighter's Manor: Light All 9 Rooms
  • · Replies 16 ·
Replies
16
Views
3K
High School Symbols Used by Mathematicians - What is a Vertical Bar with an Arrow?
  • · Replies 8 ·
Replies
8
Views
13K
Graduate Show Proving Convexity of f(x)=||x|| Function
  • · Replies 2 ·
Replies
2
Views
3K
High School Question and help appreciated(no homework)
  • · Replies 1 ·
Replies
1
Views
1K
High School How can you easily add the numbers from 1 to 100?
  • · Replies 34 ·
2
Replies
34
Views
35K
Undergrad Bezier curves and equally distributed parametric points (easy ?)
  • · Replies 2 ·
Replies
2
Views
4K
High School Brain Teaser that is impossibly solvable
  • · Replies 78 ·
3
Replies
78
Views
61K
Undergrad What Are the Odds of Meeting Someone With the Exact Same Family Birthdates?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Can Freecell Algorithms Solve the P vs NP Problem?
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Rotate a graph by a given number of radians?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Determining & Proving Inverse Functions: Methodology?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Understanding the math of relativity?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How difficult does this course description sound to you
  • · Replies 1 ·
Replies
1
Views
2K
British Mensa IQ test upper limit
  • · Replies 40 ·
2
Replies
40
Views
26K
Undergrad Is this result by coincidence or by implication?
  • · Replies 5 ·
Replies
5
Views
2K
High School Understanding Negative Scalars in Physics
  • · Replies 6 ·
Replies
6
Views
27K
Undergrad Finding a function to convert arbitrary input to output
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Backing Out Sales Tax from Gross Total - Auditor Question
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Weird Question about Majoring in Math
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Nicest/most beautiful area/field in maths
  • · Replies 18 ·
Replies
18
Views
7K
High School Algebra Not So Fundamental? Study of Functions & Sets More So
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Why is Euler's Formula Unobvious?
  • · Replies 11 ·
Replies
11
Views
4K
Undergrad The Princeton Guide to Mathematics
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What cometh next in the sequence?
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad Conic sections - quadratic curve
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Representing a 4th dimention on paper
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad How can the Polynomial Remainder Theorem be applied in real-life situations?
  • · Replies 4 ·
Replies
4
Views
9K
High School What is logarithm how that table is made?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Can Ln and Logarithmic Expressions Be Further Simplified?
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Infinite product, arranging of terms
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Abstract Math: Beyond Category Theory
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad What is the name of this principle?
  • · Replies 20 ·
Replies
20
Views
3K
Stephen Hawking to Retire as Cambridge Maths Professor
  • · Replies 12 ·
Replies
12
Views
3K
High School Understanding Maths Methods: A Comprehensive Overview
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Solving Nested Radicals - Find the Value of $\sqrt{3}$
  • · Replies 9 ·
Replies
9
Views
7K
High School Fibonacci series and golden ratio
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Name for a function preserved over a relation
  • · Replies 2 ·
Replies
2
Views
2K
High School How can I improve my problem solving speed for tests and competitions?
  • · Replies 4 ·
Replies
4
Views
11K
Graduate Proving Even Cycle in Graph Theory with 3 x-y Paths
  • · Replies 1 ·
Replies
1
Views
2K
Graduate An extended and much much more challenging version of Einstein's puzzle
  • · Replies 17 ·
Replies
17
Views
5K
High School That's why I'm asking.Decoding Number Sequences: 17 or 27?
  • · Replies 10 ·
Replies
10
Views
3K
High School Math curriculum through middle school and Highschool
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Abuse of Notation - Cross Product
  • · Replies 8 ·
Replies
8
Views
5K
High School Why is Radical i Squared Not Equal to -1?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Where to Find Introductory Books on Category Theory?
  • · Replies 1 ·
Replies
1
Views
2K
High School Converting latitude/longitude to Cartesian coords?
  • · Replies 9 ·
Replies
9
Views
50K
Graduate (4-digit number)*(6-digit number) equals a factorial
  • · Replies 1 ·
Replies
1
Views
4K
High School Triangle Congruence: Side-Side-Angle Explained
  • · Replies 1 ·
Replies
1
Views
2K
High School Deriving the Quadratic Equation Solution: A Closer Look at Completing the Square
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad What topics should I focus on for self-studying mathematics?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Pirates Dividing Loot Question- NEW
  • · Replies 7 ·
Replies
7
Views
5K
Undergrad Alternative to Euclid's Concept of Straight Line
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Convolution Theory Explained | Physics PhD Student Gareth
  • · Replies 1 ·
Replies
1
Views
5K
Areas of maths thats hand wavy?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Euler's Formula of Inverse Trig Functions
  • · Replies 3 ·
Replies
3
Views
8K
Undergrad Steering Wheel Radius - 2 Wheels
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Finding the recurrence from an algorithm
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Sinh(x) * sin(x) and sinh(x) * cos(x)
  • · Replies 2 ·
Replies
2
Views
7K
High School Anyone know how we can improve our mental math skills?
  • · Replies 12 ·
Replies
12
Views
19K
High School What is the name to refer to the width of one graphic function
  • · Replies 6 ·
Replies
6
Views
3K
High School Is there a formula to find a combination of numbers
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Mathematical notation outdated?
  • · Replies 7 ·
Replies
7
Views
3K
High School Why is the Area of a Triangle Always 1/2 Base Times Height?
  • · Replies 21 ·
Replies
21
Views
7K
High School Domain and range in ovals-what's this called?
  • · Replies 4 ·
Replies
4
Views
11K
Undergrad Help, need to get down absolute value equations and inequalities.
  • · Replies 1 ·
Replies
1
Views
2K
High School How to Convert Numbers Using a Linear or Quadratic Function in Excel?
  • · Replies 5 ·
Replies
5
Views
4K
High School Understanding Mathematical Methods for VCE Students
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad What is the significance of Euler's number e?
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Fields with least amount of geometry/topology?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad How can an NFA be converted into a regular expression using GNFA?
  • · Replies 1 ·
Replies
1
Views
14K
High School Numbers in Triangle Rows of 3 are equal rows of 4 are equal
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Equation of a rotated parabola knowing only 3pts the equation has to satisfy
  • · Replies 7 ·
Replies
7
Views
10K
Undergrad Is F(n) = 3+5+7...+2n Identical to F(n) = n(n+1)?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Cubic formula and vietes formulas
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Image about connection of different parts of Mathematics
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Identity Function Clarification: Definition & Examples
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Series of numbers and more (3 questions)
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calculating Strength of Electromagnets
  • · Replies 2 ·
Replies
2
Views
2K
High School Find 12th Term in Simple Sequence: 1,4,9,16...
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Can a cube be cut in 27 smaller cubes in less than 6 cuts?
  • · Replies 33 ·
2
Replies
33
Views
22K
Undergrad What's the quickest way to check if an interger is a perfect power?
  • · Replies 10 ·
Replies
10
Views
10K
Graduate How can I factorize this function into A(a) and X(x)?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Need help with this induction proof
  • · Replies 28 ·
Replies
28
Views
11K
Undergrad How do you add Rational Expressions when youre in University Math?
  • · Replies 5 ·
Replies
5
Views
3K
High School Circle has infinite sides how many sides does a semi circle have?
  • · Replies 3 ·
Replies
3
Views
25K
Undergrad Number Theorems and Number Bases
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Difficulty of Theorems: Ranking & Comparing
  • · Replies 3 ·
Replies
3
Views
2K
Need help from some clever people
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Solving for Spherical Coordinate Angles in 3D: Understanding the Formulas
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Partial fractions - having 1 in the numerator?
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Where Are Hypergeometric Functions Typically Introduced in Mathematics Courses?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Polar coordinates in mecanics?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate 100cr digits number writing a paper
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad Bertrand's Box Paradox and Monty Hall Problem
  • · Replies 2 ·
Replies
2
Views
8K
Undergrad Math Beyond Matrices: Is There Anything Else?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Evaluating an Inductive Proof for Proton Mass Equality
  • · Replies 5 ·
Replies
5
Views
3K
High School Understanding the Exponential Equation 2^(2x+y) = (4^x)(2^y)
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Symmetry of Odd-Degree Polynomials: Conditions for Symmetry in the Plane
  • · Replies 5 ·
Replies
5
Views
4K