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 General Solutions to a Problem
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is there a simpler solution for finding the inverse of a cubic function?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Basic Conversion from Translational Motion Equation
  • · Replies 4 ·
Replies
4
Views
6K
Undergrad Determing t in a Cubic Bezier equation
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Finding the Value of a Triginometric Function Without a Calculator
  • · Replies 9 ·
Replies
9
Views
5K
High School How Do You Solve Absolute Value Inequalities with Double Variables?
  • · Replies 3 ·
Replies
3
Views
3K
High School How to Write the Result of a Squared Summation Notation After Multiplication?
  • · Replies 3 ·
Replies
3
Views
3K
Music and Maths: A Must-Read Article by a Lecturer
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Rules in surds is that any number of the power of 0
  • · Replies 12 ·
Replies
12
Views
3K
High School How long does it take to learn calculus?
  • · Replies 10 ·
Replies
10
Views
63K
High School Simple Cancellation of Fractions
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is My Company Underselling Its Potential with Only 15 Condiment Choices?
  • · Replies 18 ·
Replies
18
Views
5K
Graduate Which road to Special and General Relativity, and beyond?
  • · Replies 2 ·
Replies
2
Views
2K
High School Math Laws, Rules, and Precautions?
  • · Replies 1 ·
Replies
1
Views
3K
High School How to decompose the below fraction into sum of 2 terms.
  • · Replies 1 ·
Replies
1
Views
2K
Graduate FLINE: Solving Infinity Conundrum Problems
  • · Replies 26 ·
Replies
26
Views
4K
High School Trisecting a right angle with compass+straightedge
  • · Replies 7 ·
Replies
7
Views
11K
Undergrad Algebraic explanation of - times - = +
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Solving Non-Linear Recurrence Relation?
  • · Replies 3 ·
Replies
3
Views
8K
Graduate Volume of a Non-Coplanar Hexahedron
  • · Replies 1 ·
Replies
1
Views
5K
Undergrad How can I solve diophantine equations effectively?
  • · Replies 10 ·
Replies
10
Views
5K
Series & Grids Puzzles: Find Answers Here
  • · Replies 1 ·
Replies
1
Views
2K
High School What Is the Mathematical Operator That Returns 1 for Equal Variables?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How do you interpolate a set of points into a curve?
  • · Replies 14 ·
Replies
14
Views
6K
Undergrad How Do You Calculate the Square Root of a Polynomial?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Alternate form of the quadratic formula
  • · Replies 20 ·
Replies
20
Views
17K
Undergrad Could Different Numbering Systems Revolutionize Scientific Calculations?
  • · Replies 26 ·
Replies
26
Views
6K
Undergrad What's the point of imagery numbers?
  • · Replies 26 ·
Replies
26
Views
6K
Undergrad How to Factor a Sextic Equation into Two Cubics?
  • · Replies 3 ·
Replies
3
Views
3K
High School Fractals and chaos - what do they have in common?
  • · Replies 3 ·
Replies
3
Views
3K
High School Composition of functions domains
  • · Replies 3 ·
Replies
3
Views
5K
High School Why do we put a comma after three digits when using big numbers?
  • · Replies 30 ·
2
Replies
30
Views
14K
Undergrad Figuring Out Clockwise Polygon Fill in a Program
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad How Do You Solve Complex Cubic Equations?
  • · Replies 2 ·
Replies
2
Views
2K
High School Why are vectors written like this: ||w||
  • · Replies 5 ·
Replies
5
Views
3K
High School Does this pic makes sense? (Trigonometry)
  • · Replies 13 ·
Replies
13
Views
4K
Undergrad Solve 5^x=2x+1 or Prove Impossibility
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Colourful language in math writings
  • · Replies 6 ·
Replies
6
Views
2K
High School The coolest fact in trigonometry that you learn way too late
  • · Replies 8 ·
Replies
8
Views
4K
High School What are the conditions for solving (a+b)^(-c)?
  • · Replies 6 ·
Replies
6
Views
2K
High School Proof of Distributive Rule: Why a(b+c)=ab+ac
  • · Replies 59 ·
2
Replies
59
Views
12K
Undergrad Hope this helps!Solving Simultaneous Equations with Square Roots
  • · Replies 5 ·
Replies
5
Views
7K
Undergrad Least Prime Number for N=7999999999: Interval (x; x+100)
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Proof Techniques: Online Resources for Learning
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Prove Existence of 5 & 64 Points in Plane with 8 & 2005 Right-Angled Triangles
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Physical Meaning of Complex Numbers
  • · Replies 14 ·
Replies
14
Views
38K
Undergrad What is the result of dividing log(log x) by log x?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Solving the Clock Hands Problem: Find All Opposite Times
  • · Replies 16 ·
Replies
16
Views
10K
Undergrad Is Spivak's Calculus Book Too Difficult for an Average Person to Understand?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Was Fermat's last theorem really as difficult as it seemed?
  • · Replies 5 ·
Replies
5
Views
5K
Undergrad Line of intersection of two planes
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Answer to high-school question
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Generalized version of cannon ball problem
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Is P Equal to NP? A Conjecture on the Difficulty of Problem Solving
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Largest GCD of consequtive elements in a sequence.
  • · Replies 8 ·
Replies
8
Views
4K
Whose Honeymoon Story Is Misattributed in Mathematics?
  • · Replies 3 ·
Replies
3
Views
2K
What Could be the Possible Causes of the Observed Phenomenon?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Can e^{e^{e^{x}}} Be Simplified or Related to Hypergeometric Functions?
  • · Replies 4 ·
Replies
4
Views
30K
High School Neither positive nor negative ?
  • · Replies 85 ·
3
Replies
85
Views
22K
High School Self-Learning Trig and Calculus for Physics: What are the Prerequisites?
  • · Replies 7 ·
Replies
7
Views
37K
Undergrad Find Unusual Fractions: 16/64, 10a+b/10b+c = a/c
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Expanding (x+y)^0.5: Can the Binomial Theorem be applied to this generalization?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Boundary between discrete&continous
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Solving for x: Uncovering the Golden Ratio
  • · Replies 12 ·
Replies
12
Views
10K
High School Formula for 1^2 + 2 ^2 + +n^2?
  • · Replies 11 ·
Replies
11
Views
21K
What's the perfect math tattoo for me?
  • · Replies 5 ·
Replies
5
Views
3K
High School How can I calculate the length and angle of a tube bend using only a calculator?
  • · Replies 7 ·
Replies
7
Views
7K
Graduate Fourier Division Algorithm Explained
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Roll 6 Dice: Solve Probability Puzzle!
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad IB Extended Essay: Math Research Topic Suggestion
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad Is this considered a closed expression for pi?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Is Derivation Equivalent to Proof in Mathematics?
  • · Replies 5 ·
Replies
5
Views
8K
Undergrad Inverse of polynomial in dy^2 + ey + f form
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Relations between the sides of a triangle, and everythign is underroot
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Do You Calculate the Side Length of an Inner Polygon in a Divided Shape?
  • · Replies 21 ·
Replies
21
Views
14K
High School I(hat), J(hat, k(hat) and vectors
  • · Replies 1 ·
Replies
1
Views
12K
Undergrad Mathematics Conventions and Rationale
  • · Replies 7 ·
Replies
7
Views
4K
High School How can I teach myself more advanced math?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad How does this imply this (number theory)
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Odd Party Conjecture: Can You Prove or Disprove?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad General Formula For Reflection Direction
  • · Replies 4 ·
Replies
4
Views
4K
High School Adjusting the Relative Percentages of a Whole
  • · Replies 27 ·
Replies
27
Views
10K
High School Simple rearranging of forumla help
  • · Replies 13 ·
Replies
13
Views
20K
High School Is dx/dv Equal to Time When Considering Small Changes in Velocity and Position?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad 3 axis accelerometer forces as angles/vectors
  • · Replies 10 ·
Replies
10
Views
22K
High School The Mysteries of Complex Numbers
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Enumerative Combinatorics help
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad 'New' type of angle measurement to often replace radians
  • · Replies 8 ·
Replies
8
Views
5K
Undergrad Can You Determine the Randomness in Backgammon?
  • · Replies 20 ·
Replies
20
Views
4K
Graduate Summing Positive Integers with 2^r3^s
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How can I work out the equation for this graph?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Prove: Row of 1000 Integers Becomes Identical Over Time
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Induction proof involving log(m+1) terms
  • · Replies 1 ·
Replies
1
Views
2K
High School How do logarithms convert numbers like 8.7 and -2.3 to whole numbers?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Improve and Secure Your Cipher: Expert Tips and Feedback
  • · Replies 5 ·
Replies
5
Views
3K
Mathematicians are expressive too
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad How can the ratio of those two numbers be irrational?
  • · Replies 21 ·
Replies
21
Views
5K
High School Is This the Best Formula for Calculating Work and Time?
  • · Replies 9 ·
Replies
9
Views
61K
High School Is it possible to take the ith root of some number?
  • · Replies 1 ·
Replies
1
Views
4K
High School Real World Applications of Cubic Equations
  • · Replies 12 ·
Replies
12
Views
88K