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
Undergrad About domain in a compound function
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Unraveling the Mystery of pi and e
  • · Replies 29 ·
Replies
29
Views
8K
High School Is There a Trick to Check if a Number is Divisible by 3?
  • · Replies 16 ·
Replies
16
Views
5K
High School Finding the Range & Domain of y = 24 - 2x
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Trigonometric Deduction from Euler's Formula: Finding the Correct Relations
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Fibonacci Sequences: Sums of Preceeding Terms & Nature
  • · Replies 2 ·
Replies
2
Views
3K
High School Understanding Proportions in Dye Mixtures
  • · Replies 2 ·
Replies
2
Views
3K
Is the Klein 4 Group on YouTube?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Why is the gamma function so complex?
  • · Replies 14 ·
Replies
14
Views
5K
High School Why is the Square Root of x^2 not Simply x?
  • · Replies 14 ·
Replies
14
Views
4K
Undergrad Solving Sequence Problem: Explicit Sequence for 1, 1, 2, 2...
  • · Replies 14 ·
Replies
14
Views
3K
High School Want to identify that a number is prime
  • · Replies 14 ·
Replies
14
Views
3K
Graduate Solving the Mystery of the Poisoned Wine Bottle: O(log n) Solution
  • · Replies 9 ·
Replies
9
Views
11K
Undergrad What Is the Physical Meaning of the Fourier Transform and FFT?
  • · Replies 1 ·
Replies
1
Views
8K
High School Sigma notation: What exactly is i?
  • · Replies 2 ·
Replies
2
Views
3K
High School To what depth can you learn math?
  • · Replies 2 ·
Replies
2
Views
3K
High School What happens when we replace x with x+1 in a quadratic function?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad I wrote the function y^50=x^2-5x-9.
  • · Replies 10 ·
Replies
10
Views
3K
High School I don't understand what the range is about?
  • · Replies 10 ·
Replies
10
Views
3K
High School Is root over a^2=modolus of a?
  • · Replies 14 ·
Replies
14
Views
4K
Undergrad How Do You Convert Between Julian and Egyptian Calendars?
  • · Replies 8 ·
Replies
8
Views
5K
Undergrad Is there a proper universal proof for proving irrationality?
  • · Replies 18 ·
Replies
18
Views
3K
Graduate Solve Compound Sum for Unknown: a, c, l, and m
  • · Replies 3 ·
Replies
3
Views
2K
Chance of predicting the out come of a race like the Grand National?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Strong prime pattern, how prove?
  • · Replies 5 ·
Replies
5
Views
4K
High School Why do 2 negatives make a positive?
  • · Replies 26 ·
Replies
26
Views
35K
Undergrad How do you know when an expression is not solvable?
  • · Replies 2 ·
Replies
2
Views
3K
High School What is sin (x + (pi/4)) when sin x = 1/2?
  • · Replies 4 ·
Replies
4
Views
3K
Can anyone explain this? The Triangle riddle
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad How do I find the equations of 2 parallel lines 2 units away from a given line?
  • · Replies 2 ·
Replies
2
Views
2K
High School Why do we deal with perfect numbers?
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Finding best fit for a parabolic segment
  • · Replies 9 ·
Replies
9
Views
8K
Does a Comprehensive List of Tex Commands and Practice Thread Exist?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Where Can I Find More Applied and Theoretical Conic Section Exercises?
  • · Replies 1 ·
Replies
1
Views
5K
High School Is Zero Times One Truly Commutative?
  • · Replies 38 ·
2
Replies
38
Views
6K
High School Need Comprehensive highscool algebra exam
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Is understanding one branch of math conducive to understanding another?
  • · Replies 4 ·
Replies
4
Views
6K
High School How Do You Calculate the Distance to a Mountain Using Trigonometry?
  • · Replies 3 ·
Replies
3
Views
3K
High School Is This Equation Solvable: 2*x^2*(x-2)^2 = x+1?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Proving the Golden Ratio for a W-Shaped Quartic Function
  • · Replies 12 ·
Replies
12
Views
10K
High School Looking for an excellent definition of solve algebraically
  • · Replies 3 ·
Replies
3
Views
3K
High School Which Calculator is Best for Calculus Exam Preparation?
  • · Replies 4 ·
Replies
4
Views
6K
High School Is Tripling Odd Numbers Necessary in the Collatz Conjecture?
  • · Replies 1 ·
Replies
1
Views
3K
High School What is the Staircase Line in a Unit Square?
  • · Replies 5 ·
Replies
5
Views
4K
High School How would you proove a^-n = 1/a^n?
  • · Replies 8 ·
Replies
8
Views
3K
High School Math Mystery: Why Is \sqrt{2}^{4} Not 4?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Is there a connection between pi and e in this equation?
  • · Replies 4 ·
Replies
4
Views
2K
High School Factoring is important in mathematics
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad How Fast Does the Dog Run in This Intriguing Math Puzzle?
  • · Replies 3 ·
Replies
3
Views
14K
Does it ever depress you that you're not the best?
  • · Replies 47 ·
2
Replies
47
Views
7K
So you want to be a crackpot (no, not serious)
  • · Replies 10 ·
Replies
10
Views
4K
Undergrad Do Finger Ratios Predict Math Skills in Boys?
  • · Replies 18 ·
Replies
18
Views
4K
Graduate A quick question on Irrational powers
  • · Replies 3 ·
Replies
3
Views
3K
High School My mind has gone fallow, and I can't quite understand factoring
  • · Replies 65 ·
3
Replies
65
Views
9K
Graduate Help with power series refinement
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad What do I need to put myself in shape for the Putnam competition?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Finding the Optimal Product of Primes for Sum of 100
  • · Replies 15 ·
Replies
15
Views
5K
Welcome to Tough Inductions! Get Ready to Challenge Yourself!
  • · Replies 22 ·
Replies
22
Views
4K
High School Projectile motion homework help
  • · Replies 7 ·
Replies
7
Views
3K
Graduate What are the Seven Millennium Problems and Their Significance in Mathematics?
  • · Replies 16 ·
Replies
16
Views
5K
Graduate Calculating Cross Product in 3D and 7D
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad What criteria determine the type of mathematical operator used in a formula?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Finding 5-Digit Numbers w/ Neighbouring Digits Differing by 3
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad How was the angle sum of polygons derived?
  • · Replies 4 ·
Replies
4
Views
6K
High School How can I make x the subject in this formula?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad How to solve the trigonometric equation sin(x) = x/2?
  • · Replies 8 ·
Replies
8
Views
3K
High School What is the maximum of x and y?
  • · Replies 5 ·
Replies
5
Views
2K
High School How Many Rabbit Pairs Will There Be After 52 Weeks of Rapid Reproduction?
  • · Replies 2 ·
Replies
2
Views
2K
High School IGCSE Math Past Papers 2006 - Get Help Now
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Why Is My Calculation of a Regular Polygon's Area Incorrect?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad How is the Recurrence Relation Used in Function Definitions?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate What is the role of unknown geometry in the tetrahedral constant?
  • · Replies 6 ·
Replies
6
Views
3K
High School What Happens to the Graph of y=x^z as z Changes?
  • · Replies 16 ·
Replies
16
Views
5K
Undergrad Why Do Graphs of y=log(x^2) and y=2*log(x) Differ?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Using geometeric series to get different shapes
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What was the outcome of the UK's RSC maths challenge?
  • · Replies 18 ·
Replies
18
Views
4K
High School Does 0^0 equal 1, or is it undefined?
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad How did ancient Greeks use geometry to solve algebraic equations?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How to find the area enclosed by four circular pieces touching each other?
  • · Replies 2 ·
Replies
2
Views
2K
High School Finding Center of Northeast Quadrant - Radius 6cm
  • · Replies 2 ·
Replies
2
Views
6K
Undergrad An Integer Temperature Puzzle
  • · Replies 7 ·
Replies
7
Views
8K
Undergrad Is There a Polynomial Time Solution to the Travelling Salesman Problem?
  • · Replies 11 ·
Replies
11
Views
6K
Undergrad How does adding 100 cm to a rope around the Earth affect its radius?
  • · Replies 6 ·
Replies
6
Views
3K
Solve Geometry Exercise - Who is Smart?
  • · Replies 8 ·
Replies
8
Views
3K
High School Find the remainder of a division
  • · Replies 4 ·
Replies
4
Views
13K
Graduate Appoximating a very large number as a small formula
  • · Replies 15 ·
Replies
15
Views
5K
Graduate How Did the Student Solve the Green Hat Puzzle?
  • · Replies 21 ·
Replies
21
Views
10K
Undergrad Is the Binomial Theorem Applicable to All Real Numbers?
  • · Replies 6 ·
Replies
6
Views
5K
Atronuc quote - Getting right answer
  • · Replies 5 ·
Replies
5
Views
2K
High School ?, exponentiation, multiplication, addition, ?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Discovering Everyday Uses of Math
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Pipes carrying litre/min from A to B - HELP
  • · Replies 1 ·
Replies
1
Views
2K
High School Simplifying a fraction as a surd?
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Oo = -oo? positive infinity be equivalent to negative infinity?
  • · Replies 21 ·
Replies
21
Views
5K
Undergrad Logarithmic Problem: Is There an Error?
  • · Replies 2 ·
Replies
2
Views
2K
High School Find the Nth Term of a Sequence | Easy Step-by-Step Guide
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Can Nonlinear Traffic Patterns Be Avoided to Prevent Chaotic Jams?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Understanding the Circle of Fifths and Its Diatonic Ratios
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Reducing a Complex Equation: Steps and Solutions
  • · Replies 2 ·
Replies
2
Views
3K
High School Why Do Squares of Negative Numbers Result in Positives?
  • · Replies 22 ·
Replies
22
Views
4K