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 Quick problem; can't find other solution
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How many ways can 2 1x2s be rotated to fit into a sphere?
  • · Replies 22 ·
Replies
22
Views
4K
High School What Does e^ln|x| Equal: x or |x|?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Volume of Frustum Pyramid: 19800.44 ft^3Calculate Volume of Frustum Pyramid
  • · Replies 3 ·
Replies
3
Views
4K
High School Why do fractions cause so much mathemaphobia?
  • · Replies 4 ·
Replies
4
Views
3K
High School Chaos Theory: Is It Still Being Studied?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate GEB - Diagram G recurive definition
  • · Replies 5 ·
Replies
5
Views
8K
Undergrad Mechanics - centre of mass lamina
  • · Replies 2 ·
Replies
2
Views
6K
High School How can you fill the cube to one-sixth its volume?
  • · Replies 14 ·
Replies
14
Views
4K
Who is your Favorite Fictional Mathematician?
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Do Most Math Graduates Have Strong Knowledge in All Fields?
  • · Replies 1 ·
Replies
1
Views
3K
High School Is There a Better Way to Remember Large Numbers?
  • · Replies 30 ·
2
Replies
30
Views
5K
High School How Can I Graph Rational Functions More Systematically?
  • · Replies 4 ·
Replies
4
Views
3K
High School What does it mean if I raise a power to the power etc?
  • · Replies 4 ·
Replies
4
Views
2K
News Alabama Geometry lesson: How to shoot Obama
  • · Replies 65 ·
3
Replies
65
Views
9K
The Fear of Math in American Society
  • · Replies 22 ·
Replies
22
Views
5K
Undergrad Can y^2 = x^2 be parametrized?
  • · Replies 5 ·
Replies
5
Views
12K
High School Have I found a new math trick for multiplication?
  • · Replies 9 ·
Replies
9
Views
5K
Undergrad What are the Best Mathematics Books to Read for an Aspiring Mathematician?
  • · Replies 7 ·
Replies
7
Views
31K
Undergrad Dividing/Multiplying Imaginary Numbers
  • · Replies 6 ·
Replies
6
Views
6K
Undergrad Was just looking at binomial theorem, i am confused [help]
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Two successive digits and divisibility puzzle
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad A good problem book in undergraduate mathematics
  • · Replies 1 ·
Replies
1
Views
3K
High School Inscribed Angles: Solve Geometry Problems Easily
  • · Replies 1 ·
Replies
1
Views
3K
High School What is the meaning of two numbers in parentheses without a fraction line?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Where can I learn more about webs?
  • · Replies 1 ·
Replies
1
Views
2K
Check Out This Incredible Math Trick
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Unclear situation involving roots.
  • · Replies 20 ·
Replies
20
Views
3K
High School SImpe question about square root function
  • · Replies 45 ·
2
Replies
45
Views
8K
Graduate How does the Cauchy product prove Faulhaber's formula?
  • · Replies 2 ·
Replies
2
Views
4K
Need help forgot my alarm code.
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Is Logic Really Based on Mathematics? A Question for Scientists
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Can you solve this inequality without using AM-GM?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Mass-Energy Conversion: Solving Energy Crises with MegaW
  • · Replies 2 ·
Replies
2
Views
2K
High School Graphing Parabolas: Finding 3 Good Points
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Need help in explaining the calculation of n-th power of a summation
  • · Replies 4 ·
Replies
4
Views
3K
High School Why nth Degree Equations Have n Roots?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Why is my TI-84 giving different results for complex number calculations?
  • · Replies 4 ·
Replies
4
Views
4K
High School Looking for a method to calculate what number are used to make a number
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Comparing Infinities: Is it Possible?
  • · Replies 16 ·
Replies
16
Views
6K
Undergrad Is Infinity Real or Just a Concept?
  • · Replies 18 ·
Replies
18
Views
10K
Graduate Model Aircraft Controls Mixing Unit: Find a Tricky Function
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Prove that (a+b)(b+c)(c+a) =/> 8abc
  • · Replies 6 ·
Replies
6
Views
13K
Graduate Question about the prime number theorem
  • · Replies 1 ·
Replies
1
Views
2K
High School Are lowest/irreducible fraction forms unique?
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad Is it Possible that 1 Equals -1: A Mathematical Inquiry?
  • · Replies 7 ·
Replies
7
Views
11K
Undergrad Which math field is growing the fastest now?
  • · Replies 4 ·
Replies
4
Views
4K
High School What is the output for my simple surveying calculations?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is He had had having had had Grammatically Correct in English?
  • · Replies 23 ·
Replies
23
Views
7K
High School Can imaginary numbers have real world applications?
  • · Replies 10 ·
Replies
10
Views
5K
Undergrad Solve Inequalities with Traditional x^2 or x^4
  • · Replies 8 ·
Replies
8
Views
2K
  • Poll Poll
Undergrad How many pages of math theory can you absorb in one day?
  • · Replies 119 ·
4
Replies
119
Views
42K
High School Is it right to say that calculus is advanced algebra?
  • · Replies 5 ·
Replies
5
Views
5K
Graduate Can the number of edges determine isomorphism in graphs?
  • · Replies 2 ·
Replies
2
Views
3K
High School Order of Variables and Constants in Mathematical Expressions
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad The equations to convert x,y,z to longitude and lattitude?
  • · Replies 7 ·
Replies
7
Views
6K
Undergrad How many of you guys actually like mathematics?
  • · Replies 72 ·
3
Replies
72
Views
12K
Graduate An extremely long power tower
  • · Replies 5 ·
Replies
5
Views
2K
High School Deciphering a Code with Mathematical Patterns and Hidden Clues
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Complex and Hypercomplex Numbers
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Lorentz transformations for spacetime
  • · Replies 35 ·
2
Replies
35
Views
13K
High School Calculating Area of a 396ft Tall Wall for 100,000 People
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Can We Visualize What Lies Beyond Infinity?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate A question about Extended Kalman Filter
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Questions about the learning curve
  • · Replies 3 ·
Replies
3
Views
8K
Undergrad Psychologist wants to do the Hilbert thing
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Solving x^x = 36: What is the Value of x?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Why Does Work Equal Zero When Force Is Perpendicular to Displacement?
  • · Replies 4 ·
Replies
4
Views
3K
Where can I go for information?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What are quaternions and ow can they be used?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Areas of Pure Maths: Less Abstract & More Concrete
  • · Replies 4 ·
Replies
4
Views
3K
High School Why can't \sqrt{30-x^2} be simplified to \sqrt{30}-x?
  • · Replies 16 ·
Replies
16
Views
5K
Undergrad Riemann prime distribution for dummies?
  • · Replies 4 ·
Replies
4
Views
3K
High School How to solve when x is an exponent and a base
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad Valid Estimation of Square Roots?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Making the Transition from Basic to Advanced Math
  • · Replies 2 ·
Replies
2
Views
2K
High School Solve Math Problem: 5+7-11/22+5-55
  • · Replies 21 ·
Replies
21
Views
4K
Graduate 2010 Euclid Contest Discussion
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Proper way to cite your sources?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Codebreaker Wanted~Find the diamonds
  • · Replies 15 ·
Replies
15
Views
5K
Graduate Determining Cheapest Food Combinations (Seems like ILP problem, but also not)
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Trignometry Proof Help: Angle A < 60 Degrees
  • · Replies 1 ·
Replies
1
Views
2K
How can I get decimal answers on my TI-89 calculator when using pi?
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Convert norms to plane equations
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad Symbolic Logic (quick easy question)
  • · Replies 6 ·
Replies
6
Views
5K
Undergrad Factorials & Series - im a little lost here
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Solving equations in sin and cos theta
  • · Replies 4 ·
Replies
4
Views
9K
High School Is the Set of Prime Numbers a Pattern or Something Else?
  • · Replies 14 ·
Replies
14
Views
4K
High School How Did Mathematics Influence Outcomes in WWII?
  • · Replies 27 ·
Replies
27
Views
11K
High School Mental Subtraction: Tips & Tricks
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Rant about University Mathematics
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Can you tie a knot in a frictionless rope?
  • · Replies 26 ·
Replies
26
Views
10K
Undergrad Is there a general formula for solving cubic equations?
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Question about common math operations.
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How do you generate a mathematical model?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Prove Combinatorial Identity: Sum of x^3 up to n
  • · Replies 1 ·
Replies
1
Views
2K
  • Poll Poll
Who Was the Ultimate Genius: Newton or Riemann?
  • · Replies 52 ·
2
Replies
52
Views
7K
Undergrad Discrete math - links to biology?
  • · Replies 3 ·
Replies
3
Views
4K
Goodbye and thank you, Mr. Escalante
  • · Replies 6 ·
Replies
6
Views
4K
High School What's the difference between magnitude and pythagorean's theorem
  • · Replies 3 ·
Replies
3
Views
4K