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 Finding the (x,y) coordinates of arbitrary circles
  • · Replies 5 ·
Replies
5
Views
11K
Graduate PLease HELP with this trigonometric equation
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Summation Sigma: How Can It Be Used?
  • · Replies 9 ·
Replies
9
Views
10K
Undergrad Question about composing functions
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Finding angles quickly in your head
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad Negative Indices: Explaining the "Super Minus
  • · Replies 2 ·
Replies
2
Views
4K
High School How do you rationalize fractions
  • · Replies 7 ·
Replies
7
Views
17K
Graduate Why do you like your chosen math field?
  • · Replies 4 ·
Replies
4
Views
4K
High School Mastering Factoring: How to Factor (x+3)^3 with Ease
  • · Replies 6 ·
Replies
6
Views
5K
Undergrad What is the most efficient way to pack jelly beans in an irregular container?
  • · Replies 5 ·
Replies
5
Views
8K
  • Poll Poll
High School Problem Solving Skill vs. Knowledge
  • · Replies 22 ·
Replies
22
Views
6K
High School Is My Brain Just Not Wired for Math?
  • · Replies 14 ·
Replies
14
Views
5K
High School Do you really need a calculator?
  • · Replies 21 ·
Replies
21
Views
6K
High School Need help with Trig/angle question
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How much math does a math professor remember?
  • · Replies 44 ·
2
Replies
44
Views
14K
Graduate How will computers impact pure mathematics in the future?
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Which Textbooks Were Your Most Memorable?
  • · Replies 15 ·
Replies
15
Views
4K
How do people write equations with special symbols in math forums?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Fractional exponents of negative numbers?
  • · Replies 7 ·
Replies
7
Views
9K
Undergrad What is the Gamma Function and How Can Grade 11 Students Understand It?
  • · Replies 8 ·
Replies
8
Views
4K
High School What Makes the Number e So Special in Logarithmic Functions?
  • · Replies 16 ·
Replies
16
Views
8K
  • Poll Poll
Graduate How Abstract Is Your Math Thinking?
  • · Replies 27 ·
Replies
27
Views
6K
Graduate Can Prerequisites Lead to Unexpected Passions?
  • · Replies 2 ·
Replies
2
Views
2K
High School Division by Zero: What Does it Mean?
  • · Replies 2 ·
Replies
2
Views
3K
  • Poll Poll
Graduate Researching Math: Finding the Right Balance
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What Math Branches Can You Explore Without an Advanced Background?
  • · Replies 26 ·
Replies
26
Views
7K
Graduate Why is the transition from multiplication tables to algorithms flawed?
  • · Replies 58 ·
2
Replies
58
Views
10K
Graduate How Much More Knowledge Does a Mathematician Have Than a Math Graduate?
  • · Replies 103 ·
4
Replies
103
Views
22K
Graduate Can acute triangles satisfy this inequality involving sides and radius?
  • · Replies 7 ·
Replies
7
Views
5K
High School Mastering Number Rules in Brackets: Understanding a^n/m and a^1/n = n'root'a
  • · Replies 7 ·
Replies
7
Views
3K
Graduate What Are the Most Unique Proofs in Mathematics?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What is the remainder when (x^3 +1)/(x^2 +3) is divided by (x^3 +1)/(x^2 +3)?
  • · Replies 2 ·
Replies
2
Views
4K
High School Where Is the Missing Dollar in the Room Rental Puzzle?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Prove Trig. Inequality: A,B & C Are Triangle Angles
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Help needed in proving a number to be perfect square
  • · Replies 12 ·
Replies
12
Views
4K
High School Online Resources for Maths and Physics Education
  • · Replies 3 ·
Replies
3
Views
4K
Graduate What will the hot topics in maths be in the future?
  • · Replies 6 ·
Replies
6
Views
3K
High School How Do You Simplify Complex Fractions with Different Denominators?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Prove that n^5 - 5n^3 + 4n is divisible by 120:
  • · Replies 5 ·
Replies
5
Views
16K
High School What is the next term in this sequence? E1 O2 E3 R4 E5 X6
  • · Replies 3 ·
Replies
3
Views
5K
High School Can somebody explain this to me?
  • · Replies 3 ·
Replies
3
Views
2K
High School Can 0/0 Ever Equal 1?
  • · Replies 14 ·
Replies
14
Views
4K
Graduate Can a number divided by zero be defined using Jeff Cook's number system X/0?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What is the French Translation of 'Embedded' in Mathematical Literature?
  • · Replies 9 ·
Replies
9
Views
7K
High School Reason why multiplication gives fraction of a number
  • · Replies 36 ·
2
Replies
36
Views
5K
Graduate Circle's slightly harder challenge
  • · Replies 32 ·
2
Replies
32
Views
8K
How do you post those fancy looking equations?
  • · Replies 2 ·
Replies
2
Views
3K
High School What is the discount on the 14 pizza at my favorite pizza store?
  • · Replies 7 ·
Replies
7
Views
3K
High School What is the height of the scaled-up Pyramid of Egypt?
  • · Replies 12 ·
Replies
12
Views
5K
High School What is the total length of the pole in a lake?
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad What Fraction of the Tank Will Be Filled in 1.85 Hours with All Pipes Operating?
  • · Replies 2 ·
Replies
2
Views
3K
High School What is Grandpa's Age? Solving the Generational Puzzle
  • · Replies 2 ·
Replies
2
Views
3K
High School How many handshakes were exchanged on Cheryl's first day of school?
  • · Replies 15 ·
Replies
15
Views
4K
High School How Do You Solve These Common Math Test Questions?
  • · Replies 1 ·
Replies
1
Views
3K
High School How Long Did Man Wrinkle Spend as an Active Man?
  • · Replies 5 ·
Replies
5
Views
4K
High School Midpoint Formula: Deriving & Understanding
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What Are Hyper Exponents and How Do They Extend Mathematical Operations?
  • · Replies 4 ·
Replies
4
Views
5K
Undergrad Logarithm of numbers with units
  • · Replies 11 ·
Replies
11
Views
25K
Undergrad Solving System of Equations: Guidance for Australian Math Olympiad Problem
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad What is McCarthy's Revenge Rule in Computer Programming?
  • · Replies 1 ·
Replies
1
Views
3K
Math illiteracy, can you believe this?
  • · Replies 40 ·
2
Replies
40
Views
16K
Windows graphing calculator software
  • · Replies 16 ·
Replies
16
Views
32K
How Many Mangoes Did Apputten Have Left After Savithree Ate Some?
  • · Replies 7 ·
Replies
7
Views
4K
General respect level: physics or math?
  • · Replies 32 ·
2
Replies
32
Views
49K
High School Probability of Bullet Firing in First Shot
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Equation for a Complex Chirp
  • · Replies 2 ·
Replies
2
Views
5K
Graduate John Gottman: The Mathematics of Love
  • · Replies 14 ·
Replies
14
Views
6K
Undergrad Chirp Equation: Solving Waveform Frequency Changes
  • · Replies 1 ·
Replies
1
Views
11K
Graduate Mastering Nim Game Strategy: Optimal Tactics and Winning Chances for 3 Players
  • · Replies 2 ·
Replies
2
Views
2K
High School Why Does Squaring a Fraction Less Than 1 Result in a Smaller Number?
  • · Replies 16 ·
Replies
16
Views
4K
Graduate What is the Exact Solution to 0.739085?
  • · Replies 7 ·
Replies
7
Views
5K
Undergrad Another problem that I guessed right.
  • · Replies 3 ·
Replies
3
Views
2K
High School Solve SAT Problem: How Many Angstroms Equal 1 Micron?
  • · Replies 10 ·
Replies
10
Views
3K
High School Number of circles within a circle
  • · Replies 14 ·
Replies
14
Views
10K
A Different Sort of Arithmetic
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Geometric sequence, determining the value of the first term
  • · Replies 8 ·
Replies
8
Views
18K
Graduate Nim Game: Find Proof for D > A, E > B, F > C
  • · Replies 3 ·
Replies
3
Views
6K
High School Is the Superdokey Puzzle the Ultimate Brain Teaser?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Mastering Math Contest Questions: Tips, Resources, and Strategies
  • · Replies 1 ·
Replies
1
Views
7K
Undergrad Are proofs essential in understanding mathematics in physics?
  • · Replies 16 ·
Replies
16
Views
4K
Graduate Linear Polynomials: Applications in Integer Programming & Pattern Recognition
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Solving the Fallacy of Zero Divided by Zero
  • · Replies 6 ·
Replies
6
Views
7K
Undergrad Solving Inequalities with Exponential Functions
  • · Replies 4 ·
Replies
4
Views
3K
High School How to Simplify (2n-1)? Any Takes?
  • · Replies 11 ·
Replies
11
Views
28K
High School Explaining Why (-1)(-1)=1 in College Algebra
  • · Replies 81 ·
3
Replies
81
Views
18K
Graduate Which areas of mathematics are considered the hardest?
  • · Replies 58 ·
2
Replies
58
Views
41K
High School How to Simplify Exponential Expressions with Fractions?
  • · Replies 18 ·
Replies
18
Views
5K
High School Online 3D Graph View of 2-Variable Functions
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Can 0=1? The Math Behind the Assumption
  • · Replies 24 ·
Replies
24
Views
7K
High School Why were Imaginary numbers invented
  • · Replies 27 ·
Replies
27
Views
15K
Undergrad Proving 2^n < n without Equality: Why Ask?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Can Any Triangle Be Similar to a Closed Curve on a Plane?
  • · Replies 8 ·
Replies
8
Views
3K
High School What Determines the Orbit of a Planet?
  • · Replies 11 ·
Replies
11
Views
8K
Listen to Dollars and Cents by Verizon Math
  • · Replies 31 ·
2
Replies
31
Views
9K
Is Verizon Confused About Basic Math?
  • · Replies 2 ·
Replies
2
Views
3K
High School Summing Gradually Changing Numbers
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Proving 2XZ=Y(X+Z) with A,B,X,Y,Z
  • · Replies 2 ·
Replies
2
Views
2K
Can Anyone Explain the 1=2 Trick I Was Shown?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad The new number nullity. A great discovery?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Troubleshooting a Formula for Solving Sides and Angles: Help Needed!"
  • · Replies 6 ·
Replies
6
Views
2K