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
Graduate What is the pattern in the zeta function for consecutive even numbers?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Designing an Efficient Number System: What Factors Should Be Considered?
  • · Replies 8 ·
Replies
8
Views
4K
High School A4 Divided in 2 Columns: Metric System
  • · Replies 7 ·
Replies
7
Views
3K
High School Finding GCF of 3 Terms: 102k^5m^2, 51k^4m, 153k^2m^2
  • · Replies 9 ·
Replies
9
Views
4K
X^(n-1) = 0, what does x equal ?
  • · Replies 15 ·
Replies
15
Views
6K
Graduate System of equations difficulty
  • · Replies 16 ·
Replies
16
Views
3K
Undergrad Max amount of different bridge distributions?
  • · Replies 5 ·
Replies
5
Views
2K
High School How to tell whether a function is positive or negative?
  • · Replies 19 ·
Replies
19
Views
53K
Undergrad Apostol's Calculus I-III: Is It Worth the Price?
  • · Replies 3 ·
Replies
3
Views
4K
High School Solving Square Problems: Find the Patterns & Fill In
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the inverse of the function
  • · Replies 2 ·
Replies
2
Views
2K
Help me choose a name for the number system
  • · Replies 15 ·
Replies
15
Views
3K
High School How Can We Improve Multiplication Skills?
  • · Replies 7 ·
Replies
7
Views
6K
Graduate Alternate Treatment of Infinity
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Find a Book About Prime Number Distribution
  • · Replies 4 ·
Replies
4
Views
2K
Graduate The Golden Ball & the Oxford Professors
  • · Replies 19 ·
Replies
19
Views
3K
Graduate Why is mathematics so ridiculously effective?
  • · Replies 33 ·
2
Replies
33
Views
5K
High School Why Don't Rectangle Diagonals Bisect Angles?
  • · Replies 1 ·
Replies
1
Views
8K
High School What Number Should You Write to Win the 2/3rds Average Math Riddle?
  • · Replies 18 ·
Replies
18
Views
4K
High School Formula for diameter of a circle
  • · Replies 2 ·
Replies
2
Views
62K
Graduate Can Geometry Exist Beyond Our Physical Reality?
  • · Replies 3 ·
Replies
3
Views
4K
High School Formulas for Series: Connect Patterns with Math Equation
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Please help solve simultaneous inverse trig equations
  • · Replies 7 ·
Replies
7
Views
6K
Undergrad Is There a Faster Way to Check the Diagonal of a Matrix for All 1s?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Analytical solutions of cubic and quartic equations
  • · Replies 6 ·
Replies
6
Views
21K
Graduate A nice identity, in need of a proof.
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Help Solving for x: 246.25 sin x - 676.58 cos x = -27768.42
  • · Replies 4 ·
Replies
4
Views
4K
High School Beginner Seeking Guidance ( Need to sharpen my mind )
  • · Replies 17 ·
Replies
17
Views
4K
Graduate What is the solution to the solid angle of coffee brain teaser?
  • · Replies 4 ·
Replies
4
Views
3K
I am a born mathematician (if my myers-briggs result is anything to go by)
  • · Replies 5 ·
Replies
5
Views
7K
Graduate How can the sum of reciprocals be derived from the product of primes?
  • · Replies 3 ·
Replies
3
Views
2K
High School Typing Equations: LaTeX or Other Editors?
  • · Replies 1 ·
Replies
1
Views
3K
High School How to mentaly get answers at once when given in powers?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What are the possible values of x in this geometric series?
  • · Replies 2 ·
Replies
2
Views
2K
High School Construct 4-Digit Number: Greatest to Smallest
  • · Replies 4 ·
Replies
4
Views
10K
Undergrad Proving OG = 1/3(OA + OB + OC) in Triangles | Step-by-Step Explanation
  • · Replies 1 ·
Replies
1
Views
4K
High School Why is Division by Zero Not Possible?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Convergent matrice=divergent constant ?
  • · Replies 30 ·
2
Replies
30
Views
5K
High School Can Trigonometry Be Applied to Circles with a Radius Other Than 1?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is a complete graph meaningful ?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate What Does the Separation of Parameters in Pauli Matrices Notation Mean?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How Does Binomial Expansion Work for Rational Indices?
  • · Replies 3 ·
Replies
3
Views
10K
Undergrad Equation for number placement in Sudoku-like grid
  • · Replies 10 ·
Replies
10
Views
6K
High School What is the measure of each interior angle for a regular triangle?
  • · Replies 2 ·
Replies
2
Views
2K
High School Calculating Altitude Length from Point to Line
  • · Replies 1 ·
Replies
1
Views
2K
High School What are the properties of parallelograms regarding diagonals?
  • · Replies 4 ·
Replies
4
Views
21K
High School There exists or not exists a natural number
  • · Replies 9 ·
Replies
9
Views
5K
Graduate Understanding 0/0: The Undefined Concept in Energy Momentum Relation
  • · Replies 18 ·
Replies
18
Views
3K
Undergrad Can This Complex Mathematical Equation Be Simplified?
  • · Replies 1 ·
Replies
1
Views
2K
What is (S+C)(B+F)/(T-C) Equation?
  • · Replies 14 ·
Replies
14
Views
2K
High School How to Solve a System with Two Equations and Two Unknowns?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Does an analogous idea of energy exist and satisfy conservation?
  • · Replies 8 ·
Replies
8
Views
2K
High School Master Factoring Patterns: Ace Your Test Tomorrow with These Simple Steps!"
  • · Replies 3 ·
Replies
3
Views
5K
Graduate I really hate the rigor in math
  • · Replies 21 ·
Replies
21
Views
10K
And you thought your homework was hard
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Fitting an inverse quadratic curve
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Equation Fitting: Seeking Insight to Meet Requirements
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How Would a U-Boat Captain Calculate the Angle to Fire a Torpedo at a Tanker?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Possible webpage title: What are the Known Patterns in Prime Numbers?
  • · Replies 21 ·
Replies
21
Views
5K
Undergrad Fulcrum on a Circle Dock: Calculate Distance from Bulkhead
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Find the area of trapezoid circumscribed about a circle?
  • · Replies 6 ·
Replies
6
Views
11K
Undergrad Possible title: Why must -a*-b NOT equal only either +ab or -ab?
  • · Replies 10 ·
Replies
10
Views
3K
Looking for quotes on sequences, and fractals
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad How can Pete solve a logarithmic problem using the Change of Base Formula?
  • · Replies 4 ·
Replies
4
Views
5K
High School Understanding Ceil and Floor Functions
  • · Replies 8 ·
Replies
8
Views
3K
High School Why Does Reflecting a Point Twice Across Parallel Lines Double the Distance?
  • · Replies 2 ·
Replies
2
Views
2K
High School EMERGENCY-formula`s for perimeters of ovals
  • · Replies 8 ·
Replies
8
Views
11K
What Is the Age Limit for Receiving the Fields Medal?
  • · Replies 3 ·
Replies
3
Views
3K
High School How Do You Solve the Equation 2/3y + 8 = 1/4y?
  • · Replies 1 ·
Replies
1
Views
2K
High School Understanding Triangle Medians and Their Proportions
  • · Replies 11 ·
Replies
11
Views
4K
Undergrad Solving for a variable inside a sin()
  • · Replies 4 ·
Replies
4
Views
10K
  • Poll Poll
Graduate I just cannot decide what book to work through next
  • · Replies 28 ·
Replies
28
Views
4K
High School What is the Solution for |x+1| = 2x-1?
  • · Replies 7 ·
Replies
7
Views
7K
High School The Mystery of 360 Degrees in a Circle
  • · Replies 17 ·
Replies
17
Views
4K
High School What is the Function of sin(x)?
  • · Replies 5 ·
Replies
5
Views
3K
My Math Story: How I Discovered My Passion for Mathematics
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Calculating Fractal Dimension for the Lorenz Strange Attractor
  • · Replies 2 ·
Replies
2
Views
3K
High School Solve Simple Trig Problem: A-D = 10 Miles
  • · Replies 2 ·
Replies
2
Views
3K
High School Corresponding interior and exterior angles
  • · Replies 2 ·
Replies
2
Views
7K
High School Can Alternative Number Systems Offer Greater Advantages for Problem Solving?
  • · Replies 8 ·
Replies
8
Views
10K
High School How do you calculate even or odd functions?
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad Sketch the graph of the function f(x)=square root X
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Can Games Be Fair AND Not Futile?
  • · Replies 3 ·
Replies
3
Views
2K
High School Challenge Yourself: Count and Add 1-100 Without a Calculator!
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Pattern Possible? Diagramizing Colour Swatches | Max Colors
  • · Replies 16 ·
Replies
16
Views
4K
Who is the latest recipient of the Abel Prize in mathematics?
  • · Replies 1 ·
Replies
1
Views
2K
High School High school student recites 8,784 digits of pi
  • · Replies 32 ·
2
Replies
32
Views
4K
Undergrad Trigonometric functions like sin(2x)=2sin(x)cos(x)
  • · Replies 3 ·
Replies
3
Views
17K
High School Where to learn coordinate gepmetry?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Nano Focus: Group Theory Involved?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How many distinct tiles can be formed in the game of Tsuro?
  • · Replies 18 ·
Replies
18
Views
5K
High School Resolving Algebra Problem: Finding Real Solutions for \sqrt{2x-3} + x = 3
  • · Replies 9 ·
Replies
9
Views
21K
Dr. Watson and German secret Club
  • · Replies 6 ·
Replies
6
Views
3K
High School How do I solve angle relationships in this problem?
  • · Replies 10 ·
Replies
10
Views
8K
High School Student Recites 8,784 Digits of Pi
  • · Replies 17 ·
Replies
17
Views
5K
Undergrad What Five Numbers Create Proper Subsets with Non-Divisible Sums by 5?
  • · Replies 7 ·
Replies
7
Views
3K
High School How Can You Simplify or Solve the Equation A^2 + B^2 * C^2 = C^2?
  • · Replies 1 ·
Replies
1
Views
2K
High School Solve the Wave + Lets = Later Equation
  • · Replies 4 ·
Replies
4
Views
3K
High School What does [x] means in mathematics ?
  • · Replies 4 ·
Replies
4
Views
66K
Graduate Has the Riemann Hypothesis Finally Been Proven?
  • · Replies 24 ·
Replies
24
Views
5K