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
High School Doubts about 0.999 being equal to 1
  • · Replies 15 ·
Replies
15
Views
4K
Graduate Integer Solutions of sqrt(p) = q (1964 times)
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Really hard Brain teaser I with.
  • · Replies 19 ·
Replies
19
Views
12K
Graduate Proving Hard Inequalities for Acute Angles and Trigonometric Functions
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Calculus I Class Struggle: How Can Someone Have an A?
  • · Replies 18 ·
Replies
18
Views
3K
Undergrad Cool 2-D functions for graphing
  • · Replies 15 ·
Replies
15
Views
14K
Undergrad Can You Solve the Mystery of the Numbered Street in Louvain?
  • · Replies 21 ·
Replies
21
Views
4K
High School I am a little bit confused about graphing
  • · Replies 6 ·
Replies
6
Views
4K
High School Greatest Integer Function Problem
  • · Replies 2 ·
Replies
2
Views
6K
High School Roots & Product of ax^2 + bx + c = 0
  • · Replies 3 ·
Replies
3
Views
2K
High School Division by Zero - Can it be Done?
  • · Replies 38 ·
2
Replies
38
Views
9K
Undergrad Compute String Difference: Minimize Inserts/Deletes
  • · Replies 2 ·
Replies
2
Views
7K
High School Do Angles in Triangles Ensure Equality of Heights?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Can you solve Ubi-Ubi's Ruby riddle?
  • · Replies 2 ·
Replies
2
Views
3K
High School How Can I Solve This PreCalculus Problem Using Natural Logarithms?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad How does Napier's logarithm make computing powers easier without calculus?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Does \tan\frac{\theta}{2} equal \frac{\sin\theta}{1+\cos\theta}?
  • · Replies 3 ·
Replies
3
Views
3K
Boolean Help: Solving Your Problem with Ease
  • · Replies 12 ·
Replies
12
Views
5K
Undergrad Is the Fractal Perimeter Infinite but Area Finite?
  • · Replies 5 ·
Replies
5
Views
11K
Undergrad Understanding the Transformation of a Graph - Can You Help Clarify?
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Solving Modular Equations with Multiple Variables
  • · Replies 9 ·
Replies
9
Views
6K
Graduate Operations with infinites and zero and etc.
  • · Replies 21 ·
Replies
21
Views
4K
Undergrad Largest quadrilateral in a circle?
  • · Replies 5 ·
Replies
5
Views
10K
Undergrad Solve for a,b,c,d: Hints & Tips
  • · Replies 4 ·
Replies
4
Views
2K
High School Deductive Reasoning Q: Occupations & Dress Colors
  • · Replies 2 ·
Replies
2
Views
17K
Undergrad Calculating data points on a graph
  • · Replies 5 ·
Replies
5
Views
8K
4Fun:Worst/Best Notations in Mathematics
  • · Replies 76 ·
3
Replies
76
Views
12K
High School What Ages Solve the Postmen's Riddle?
  • · Replies 41 ·
2
Replies
41
Views
16K
High School Math Education: A Better Understanding of the "Why"
  • · Replies 68 ·
3
Replies
68
Views
8K
High School What Are the Measurements for 3 Plys of Veneer on a 7 7/8 Cylinder Mold?
  • · Replies 4 ·
Replies
4
Views
3K
High School Cosine Rule , what good is it ?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate The never ending question: which books?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Solve the Remainder Theorem with x^2-4x^2+3
  • · Replies 1 ·
Replies
1
Views
3K
High School How can I assign colors to crystals based on a simple algebraic formula?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What Are the Possible Solutions for These Divisibility Questions?
  • · Replies 21 ·
Replies
21
Views
4K
High School Stuck with Maths? Help Needed with Casio fx-85MS Calculator
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Factoring (n+1)! - 1 + (n+1)(n+1)! Step-by-Step
  • · Replies 11 ·
Replies
11
Views
5K
High School Factoring Problem: Solving x(xsquared-1)(xsquared-1)=0
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad How Can I Program Target Motion Analysis Considering 360 Degrees?
  • · Replies 1 ·
Replies
1
Views
2K
High School What is the square root of i^2
  • · Replies 8 ·
Replies
8
Views
6K
Graduate Zeno's Dichotomy and Cantor Set
  • · Replies 17 ·
Replies
17
Views
6K
High School Ok I'm a little confused with this: 16x-y^4=0
  • · Replies 2 ·
Replies
2
Views
3K
High School How Can You Solve a 4th Grade Prime Number Multiplication Puzzle?
  • · Replies 25 ·
Replies
25
Views
6K
Undergrad Mathematicians & Big O, Big Omega: Usage & Context
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Decomposition of a nonconvex polygon
  • · Replies 2 ·
Replies
2
Views
4K
High School Can You Solve One-to-One Functions Algebraically?
  • · Replies 21 ·
Replies
21
Views
9K
High School Solve the Brain Teaser: 40 Heads, 100 Legs - How Many Kids and Dogs?
  • · Replies 15 ·
Replies
15
Views
4K
High School Solving Football Game Situation: True or False?
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Greedy Algorithm & Optimal Coin Change
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad What is the Relationship Between Trig Functions and Vector Constants?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Can We Solve for 15 Variables Using Only 10 Equations?
  • · Replies 2 ·
Replies
2
Views
3K
High School What is the mistake in this proof?
  • · Replies 16 ·
Replies
16
Views
5K
Graduate 3D shapes with perfect polygons
  • · Replies 5 ·
Replies
5
Views
18K
High School Cant remember how to use formula
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Sinusoidal graphs (y=sinx and y=cosx equations)
  • · Replies 1 ·
Replies
1
Views
14K
Undergrad What is the role of optimization in commercial aircraft scheduling?
  • · Replies 6 ·
Replies
6
Views
4K
High School Sigma sign in chemistry vs math
  • · Replies 10 ·
Replies
10
Views
24K
High School Pre alg. I'm feeling pretty dumb about now.
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Proving n2 - 19n + 89 is Not a Perfect Square for n>11
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad What are some resources and tips for improving my understanding of mathematics?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Mastering Modular Arithmetic: Proving a2 ≡ 0 (mod n) with Expert Tips
  • · Replies 17 ·
Replies
17
Views
5K
  • Poll Poll
What is your favorite field of math?
  • · Replies 12 ·
Replies
12
Views
4K
Undergrad The .9999... Debate: Is it Really Equal to One?
  • · Replies 3 ·
Replies
3
Views
3K
High School Confusion with very basic algebra
  • · Replies 2 ·
Replies
2
Views
2K
High School Family of quadratic functions?
  • · Replies 9 ·
Replies
9
Views
5K
Undergrad Is Infinity Truly Limitless or Does It Have Boundaries?
  • · Replies 143 ·
5
Replies
143
Views
19K
Graduate All encompasing mathematics flowchart
  • · Replies 8 ·
Replies
8
Views
6K
Undergrad Polar Axis: Meaning & Significance
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What's the correct term for it?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Operator O in Physics: Definition & Uses
  • · Replies 11 ·
Replies
11
Views
7K
High School Graphing a Quadratic Equation: Zooming In & Out
  • · Replies 27 ·
Replies
27
Views
6K
Undergrad Solving Cos(2πx)Sin(2πx) & Its Multiplied Variation
  • · Replies 7 ·
Replies
7
Views
3K
High School Base 10 Number System Explained
  • · Replies 9 ·
Replies
9
Views
5K
What do these numbers mean to you
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad How to Speak Mathematics: Subjects & Recommended Books
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Examples of Perceived Patterns Proven Wrong
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Understanding Inverse Functions and Notation Confusions
  • · Replies 10 ·
Replies
10
Views
3K
High School Good course in training calculus skills?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate What is the lowest known complexity for multiplication?
  • · Replies 3 ·
Replies
3
Views
3K
Symbol ¥ Meaning - What Does It Mean?
  • · Replies 7 ·
Replies
7
Views
3K
High School Finding a fraction of a number
  • · Replies 79 ·
3
Replies
79
Views
24K
High School Is the probability that today is monday is 1/7?
  • · Replies 4 ·
Replies
4
Views
3K
High School Word problems and liner equations
  • · Replies 1 ·
Replies
1
Views
8K
Graduate Infinity Paradox or just confusion
  • · Replies 6 ·
Replies
6
Views
6K
High School Why is 0! equal to 1 in mathematics?
  • · Replies 24 ·
Replies
24
Views
5K
High School Phone Number riddle: Solve & Remember
  • · Replies 6 ·
Replies
6
Views
6K
High School A formula of the product of the first n integers?
  • · Replies 8 ·
Replies
8
Views
22K
High School Solve the Mystery of Brown's Cheque: Absent-Minded Clerk
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Minimize vertices distance between triangles
  • · Replies 5 ·
Replies
5
Views
4K
High School Are |m-n| and |n|-|m| the same?
  • · Replies 2 ·
Replies
2
Views
2K
High School Rational Numbers: Is 1 a Rational Number?
  • · Replies 6 ·
Replies
6
Views
5K
High School Struggling to Understand Polynomials?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Demonstration binôme de Newton (a+b)-n
  • · Replies 2 ·
Replies
2
Views
4K
High School Solving 3 Variables with 2 Points: Can We Do It?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Determination of past vs future probability
  • · Replies 6 ·
Replies
6
Views
4K
High School Calculating Tangents - Without the Calculator
  • · Replies 3 ·
Replies
3
Views
9K
Undergrad How Is the Inductive Hypothesis Used in Proof Writing?
  • · Replies 8 ·
Replies
8
Views
4K
  • Poll Poll
High School Is Separating Negative Numbers in Math Valid?
  • · Replies 13 ·
Replies
13
Views
6K
High School What is the value of y in y = ±√(5x)?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad Dodecahedrons and icosahedrons in nature?
  • · Replies 11 ·
Replies
11
Views
4K