General Math Forum

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.

Threads

What is the highest 3 digit prime factor of ${2000 \choose 1000}$?

  • kaliprasad
  • · Replies 1 ·
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1

What are the uses of the top and bottom beads on a Chinese abacus?

  • Monoxdifly
  • · Replies 3 ·
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3

Graduate What is the Theorem regarding the number of polynomial zeros modulo p and H?

  • Kontilera
  • · Replies 5 ·
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5

Completing the square using algebra tiles

  • Gitty
  • · Replies 1 ·
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1

Undergrad Is this an integer programming problem?

  • rumborak
  • · Replies 9 ·
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9

Undergrad Why can't logs have a negative base?

  • Rumplestiltskin
  • · Replies 6 ·
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6

Finding the Minimum Value of a Parabola: Tips and Techniques

  • hasu1
  • · Replies 1 ·
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1

Undergrad Memorizing trigonometric identities for multiples of 90°

  • askor
  • · Replies 2 ·
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2

What to do when "second differences" are different?

  • MRF2
  • · Replies 4 ·
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4

High School Square Root Simplified: Understanding the Result as a Single Nonnegative Number

  • lioric
  • · Replies 10 ·
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10

Undergrad What is Highest Math Used in Social Sciences?

  • bballwaterboy
  • · Replies 16 ·
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16

Graduate How to treat negative integer factorial function?

  • dongsh2
  • · Replies 2 ·
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2
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4

Undergrad Find Pythagoras Triples w/ Given Hypotenuse

  • Terry Coates
  • · Replies 3 ·
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3

Finding a^-3 + b^-3; Can someone check if what I did is right?

  • IHateFactorial
  • · Replies 3 ·
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3

Quadrilaterals with diagonals that don't bisect one another

  • teacher ARTHUR
  • · Replies 7 ·
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7

Undergrad How to calculate the deviation of points from a curve?

  • MelanieBrett
  • · Replies 2 ·
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2

Undergrad Angle vs Time Graph: What is it Called?

  • tony873004
  • · Replies 8 ·
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8

Graduate Is there a way to define the center of an infinite sphere?

  • Amine_prince
  • · Replies 22 ·
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22

Proving Inequality Challenge: $a,\,b,\,c$ | Real Numbers

  • anemone
  • · Replies 2 ·
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2

Calculate the area of a triangle knowing its perimeter and 2 heights

  • loquetedigo
  • · Replies 1 ·
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1

Parabolic Trajectory Of Water Stream

  • username877
  • · Replies 1 ·
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1

Insights Why Do People Say That 1 and .999 Are Equal? - Comments

  • Multiple_Authors
  • · Replies 96 ·
4
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96

High School Creating a Grid w/Square Elements for a Cayley Table

  • EinsteinKreuz
  • · Replies 2 ·
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2

Can Inequality be Proven for Positive Reals a and b?

  • anemone
  • · Replies 3 ·
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3

High School Is it possible to evenly spaced out objects?

  • TimeRip496
  • · Replies 7 ·
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7

Graduate Unsolved Mystery: A Diophantine Equation with an Unusual Set of Integers

  • Terry Coates
  • · Replies 27 ·
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27

High School How are variables and moving objects represented on graphs?

  • awholenumber
  • · Replies 5 ·
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5

How Do You Simplify Complex Fractional Expressions?

  • karush
  • · Replies 2 ·
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2

High School Do people who tend to be great at math suck at statistics?

  • oahz
  • · Replies 4 ·
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4

Undergrad Proof Practice Ideas: Books, Exercises, & Theorems

  • UncertaintyAjay
  • · Replies 17 ·
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17

What numbers is Ron thinking of for his Mystery Number?

  • Marcelo Arevalo
  • · Replies 6 ·
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6

Graduate Relationships between the roots

  • Bruno Tolentino
  • · Replies 3 ·
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3

High School Math ideas for NCCTM Math Fair Contest?

  • TheHiddenLibrarian
  • · Replies 1 ·
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1
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2

What is 3/4 of the original number?

  • Marcelo Arevalo
  • · Replies 2 ·
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2

Undergrad Numerical sign problem software?

  • mollwollfumble
  • · Replies 24 ·
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24
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8

What Was John's Salary After Giving His Mother 55%?

  • Marcelo Arevalo
  • · Replies 6 ·
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6

How much is the bicycle worth?

  • Marcelo Arevalo
  • · Replies 4 ·
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4

Undergrad ((-8)^2)^(1/3) <> (-8)^(2/3) <> (-8)^(1/3))^2

  • nomadreid
  • · Replies 6 ·
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6

Sum of an Infinite Arithmetic Series

  • IHateFactorial
  • · Replies 1 ·
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1

Undergrad How to solve for X in engineering economy problems involving annuities?

  • jove8414
  • · Replies 17 ·
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17

Proving inequality: Can we show n^n * (n+1)/2)^2n ≥ (n+1)/2)^3?

  • juantheron
  • · Replies 7 ·
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7

Solve Einstein's Five Houses Riddle: My Experience

  • ThomasLLS
  • · Replies 4 ·
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4

High School Why doesn't x^2+1 has no zeroes

  • manogyana25
  • · Replies 16 ·
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16

Undergrad How many ways can you arrange 128 tennis balls

  • wolram
  • · Replies 6 ·
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6

Undergrad Is this statement for proving inequalities true?

  • Physicist97
  • · Replies 3 ·
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3

High School Create Concentric Circles with Equal Distances

  • TimeRip496
  • · Replies 12 ·
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12

Graph Function: What Does It Mean?

  • Monk1
  • · Replies 1 ·
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1
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1

Undergrad Why a(pt=proportional to) pt b and a pt c implies a pt bc?

  • Rishabh Narula
  • · Replies 2 ·
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2

Undergrad Can the Lever Rule be Modified for a Three-Component Problem?

  • vin300
  • · Replies 2 ·
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2

Undergrad A googolplex expressed in factorial form?

  • Saracen Rue
  • · Replies 3 ·
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3

Undergrad Fixed point iteration for transcendental functions and trigonometry resources

  • awholenumber
  • · Replies 10 ·
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10

Undergrad How do proportional relationships derive physics equations?

  • Rishabh Narula
  • · Replies 4 ·
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4

High School Definition of a polynomial? and degree? integral and ration

  • Kilo Vectors
  • · Replies 11 ·
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11

Undergrad Why Do Battleship Shells Travel Farther Than Rifle Bullets?

  • thetexan
  • · Replies 11 ·
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11

Can You Prove $\sin 1+\sin 2+\sin 3+\cdots+\sin n<2$?

  • anemone
  • · Replies 1 ·
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1

Undergrad Tower of exponents solution approach unique to exponents?

  • DocZaius
  • · Replies 2 ·
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2

Undergrad Finite geometric series formula derivation? why r*S?

  • Terrell
  • · Replies 3 ·
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3

Find Minimum of $(a+b)(b+c)$ | Proof Provided

  • anemone
  • · Replies 5 ·
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5

Ratio of fundamental frequencies

  • Mango12
  • · Replies 1 ·
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1

Real Solutions for 4x^2-40x+51=0 and 4x^2-40[x]+51=0

  • anemone
  • · Replies 5 ·
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5

Graduate Euler Formula: Understanding (4.25) to (4.26)

  • pinkcashmere
  • · Replies 4 ·
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4

How to Simplify f(3a-4) for the Function f(x)=-4x+5?

  • Monk1
  • · Replies 1 ·
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1

More math/science prodigies in the future?

  • tgt
  • · Replies 12 ·
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12

Undergrad What are some engaging mathematics topics for a STEM Fair presentation?

  • NotGauss
  • · Replies 5 ·
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5

Working with time and dropping from a specified height

  • averyjedwards2
  • · Replies 1 ·
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1

Line of intersection between two parallel planes?

  • sawdee
  • · Replies 7 ·
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7

Undergrad Solve 3 Degree Polynomials - No Formula?

  • Stephanus
  • · Replies 13 ·
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13

Least Possible Value of a+b: 11 & 13 Divisibility

  • kaliprasad
  • · Replies 4 ·
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4

High School Factorial Q: How to Get (n+1)!

  • askor
  • · Replies 2 ·
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2

High School Solve for x: Trigonometry Equation

  • Eugen
  • · Replies 5 ·
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5

Divide Polynomials: (-2z^3-z+z^2+1) by (z+1)

  • Joslynn23
  • · Replies 1 ·
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1

High School Mathematical meaning of 'as many as'

  • DaveC426913
  • · Replies 11 ·
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11

Undergrad How to find cases of overlap/not in overlap , mathematically

  • rajemessage
  • · Replies 5 ·
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5

Is $\gcd(n, n+2) = 1$ or $2$ for any integer $n$?

  • Guest2
  • · Replies 5 ·
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5

Evaluating Complex Equation without a Calculator

  • anemone
  • · Replies 6 ·
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6

Undergrad Can the Infinite Sum of Natural Numbers Really Equal -1/12?

  • J.J.T.
  • · Replies 6 ·
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6

High School Are You Struggling to Remember Basic Math Concepts?

  • DrSuage
  • · Replies 19 ·
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19

Graduate Seeking intuitive and linking to math for Quasi Newton opt

  • CuriousArv
  • · Replies 1 ·
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1

Undergrad Solutions for a quadratic system of equations

  • greypilgrim
  • · Replies 4 ·
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4

Can a Triangle Be Divided Into 205 Congruent Triangles?

  • Albert1
  • · Replies 1 ·
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1

Where to post/submit math cartoons?

  • member 428835
  • · Replies 4 ·
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4

Undergrad How long for a computer to write out a Googolplex

  • MathJakob
  • · Replies 10 ·
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10

Inequality challenge for positive real numbers

  • anemone
  • · Replies 3 ·
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3

What is the Greatest Integer When Evaluating a Complex Fraction?

  • anemone
  • · Replies 2 ·
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2

Graduate Proving inequalities with logarithm

  • japplepie
  • · Replies 11 ·
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11

Starting with center of thrust to find amount of force on each point?

  • Tontow
  • · Replies 1 ·
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1

Determine positive integer solutions

  • anemone
  • · Replies 2 ·
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2

High School History of Mathematical Symbols

  • observer1
  • · Replies 8 ·
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8

Proving Inequality for Positive Real Numbers

  • anemone
  • · Replies 2 ·
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2

2(5) − cot [4 arctan 0.2 + (i/2) ln i] − 1

  • Jenab2
  • · Replies 10 ·
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10

High School How Sin(90° + θ) =sin θ of triangle P'OM'

  • Yogesh Tripathi
  • · Replies 7 ·
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7

What Is the Shape of This Lamp?

  • Naemla
  • · Replies 7 ·
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7

Paying off multiple credit cards with limited cash and a 0% card

  • jayke
  • · Replies 1 ·
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1

Undergrad How Did GIMPS Discover the New Largest Prime Number in 2016?

  • DrClaude
  • · Replies 9 ·
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9

What is the significance of the recent discovery of the largest prime number?

  • kaliprasad
  • · Replies 3 ·
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3

Undergrad A check: shortest distance from point to line

  • julian
  • · Replies 2 ·
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2