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

Graduate Logical Entailment: Understanding F $\models \omega$

  • gnome
  • · Replies 8 ·
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8

High School What is sigma and how does it work?

  • lvlastermind
  • · Replies 5 ·
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5

Undergrad Calculate the central angle of a regular dodecahedron

  • geometer
  • · Replies 6 ·
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6

Undergrad How to get from counting nines to the formula n*(9/10)^log_10(n)

  • quddusaliquddus
  • · Replies 4 ·
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4

High School Converting 1.7×10^30 to years

  • Void
  • · Replies 5 ·
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5

High School Where Can I Find Articles on Famous Mathematicians and Their Work?

  • ptex
  • · Replies 2 ·
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2

High School How to Convert Fraction to Decimal: 3/8

  • Poweranimals
  • · Replies 8 ·
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8

Undergrad How to Find the Ratio in a Geometric Progression with Non-Consecutive Terms

  • Olly
  • · Replies 3 ·
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3

Undergrad Smallest positive integer that doesn't divide any Fibonacci number

  • davilla
  • · Replies 15 ·
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15

High School Making 35, 37, 39, and 41 with four 4s

  • Joseph
  • · Replies 14 ·
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14

High School Brain Teaser #93: Solve the Chessboard Knight's Puzzle

  • davilla
  • · Replies 4 ·
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4

Graduate Brain Teaser #91: Brain Thumper #5: How Long is the Average Break?

  • davilla
  • · Replies 7 ·
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7

Graduate Ancient Laurasian cipher: what diacritical mark should go on the o?

  • davilla
  • · Replies 32 ·
2
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32

Undergrad Finding the false stack among 10 stacks of coins with one weighing

  • Xiox
  • · Replies 15 ·
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15

High School What does it mean when math and reality don't align?

  • cangus
  • · Replies 4 ·
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4

Graduate How can deleting specific digits affect the bounds on the harmonic series?

  • quddusaliquddus
  • · Replies 31 ·
2
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31

Are Solutions to Zeno's Paradoxes Satisfying?

  • honestrosewater
  • · Replies 25 ·
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25

Undergrad Creating Trig Tutorial: Are You Ready to Master Trigonometry?

  • recon
  • · Replies 2 ·
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2

High School Cartesian Co-ordinates and Polar Co-ordinates

  • JasonRox
  • · Replies 3 ·
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3

Undergrad Are prime numbers truly random or is there a hidden pattern?

  • Imparcticle
  • · Replies 4 ·
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4

Math websites for beginner mathematicians to share work

  • ArabLearner
  • · Replies 1 ·
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1

High School Solving T = 2π√(L/g) for L

  • SLiM6y
  • · Replies 7 ·
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7

High School Determining the Cheaper Option: Airport Taxi vs. Limousine

  • Ericca
  • · Replies 1 ·
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1

High School Quick problem to do with powers

  • padraig
  • · Replies 7 ·
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7

Undergrad What really matters in problem solving?

  • Ebolamonk3y
  • · Replies 8 ·
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8

Graduate Brain Teaser #89 Brain Thumper #4: Inclusive PR System Key Threshold

  • davilla
  • · Replies 4 ·
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4

High School Acute angle between line y - √3x + 1 = 0 and x-axis

  • Agent_J
  • · Replies 4 ·
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4

Undergrad Permutations of the letters a, b, c, d, e, f, g

  • Caldus
  • · Replies 3 ·
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3

High School Quadratic function - x-intercepts?

  • Agent_J
  • · Replies 1 ·
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1

High School Whether or not infidecimal numbers existed

  • JonF
  • · Replies 5 ·
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5

Graduate How Long is a Mayan Minute?

  • davilla
  • · Replies 4 ·
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4

High School How does the digit-guessing website trick work?

  • suyver
  • · Replies 4 ·
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4

High School Composition of f(x) = 2/x and g(x) = x/(x+2)

  • Agent_J
  • · Replies 5 ·
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5

Undergrad How Do I Find the Decryption Function for C = (7M + 9) mod 26?

  • stunner5000pt
  • · Replies 1 ·
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1

Undergrad Finding center and radius of 16x^2 + 16y^2 + 8x + 32y + 1 = 0

  • Agent_J
  • · Replies 3 ·
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3

Undergrad Finding Coefficient of x^25 in (2x - (3/x^2))^58

  • Caldus
  • · Replies 1 ·
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1

Undergrad Four mutually tangent circles, find the shaded radius

  • Hollywood Dave
  • · Replies 19 ·
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19

High School Where does pi come from and why does it have infinite decimals

  • decibel
  • · Replies 10 ·
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10

Undergrad Coordinate System: Place N Elements in a Square Format

  • bobby_kl
  • · Replies 1 ·
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1

High School Is 0 is an even and positive number?

  • WWW
  • · Replies 10 ·
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10

Undergrad Is Pi Actually Transcendental?

  • FUNKER
  • · Replies 6 ·
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6

Undergrad Advice on Learning Advanced Mathematics

  • Inquisitor
  • · Replies 2 ·
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2

Undergrad Why Is Pi Fascinating in Science and Mathematics?

  • The_Imagizer
  • · Replies 20 ·
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20

Undergrad Proving: a^{log_cb} = b^{log_ca}

  • gnome
  • · Replies 3 ·
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3

Undergrad How do I simplify radical equations with nested radicals?

  • Agent_J
  • · Replies 4 ·
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4

Undergrad Are the Sum of Polynomial Roots Always Zero When Complex Numbers Are Involved?

  • expscv
  • · Replies 8 ·
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8

Undergrad Simplify Radical Fraction Expression: (y^-3 - x^-3) / (xy^-1 + x^-1y + 1)

  • Agent_J
  • · Replies 2 ·
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2

Undergrad Sum of digits of n without modular arithmetic

  • honestrosewater
  • · Replies 23 ·
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23

Graduate Interesting problem from a Putnam student

  • philosophking
  • · Replies 1 ·
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1

Graduate Natural Deductions: Strategies to Reason Asymmetry

  • kodachrome22
  • · Replies 2 ·
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2

High School Dividing 0 By Itself: Is There an Answer?

  • repugno
  • · Replies 6 ·
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6

High School How does a mathematician define Mathematics?

  • Lorentz
  • · Replies 54 ·
2
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54

Undergrad Combining 2 Equations into 1 Polar Equation

  • jfhatch
  • · Replies 2 ·
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2

High School What is the function for a curved line on the positive (+,+) zone of a graph?

  • the1024b
  • · Replies 6 ·
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6

High School What Unique Properties Define a Cyclic Quadrilateral?

  • Saad
  • · Replies 4 ·
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4

Undergrad Understanding nX+M=y Sequence M_i

  • honestrosewater
  • · Replies 2 ·
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2

High School Creating a system of equations

  • nation_unknown
  • · Replies 3 ·
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3

Graduate Maths needed to study QM and GR?

  • Lorentz
  • · Replies 6 ·
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6

Undergrad Reducing a System of Equations to One Variable

  • st3dent
  • · Replies 5 ·
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5

Undergrad Solving Problems Using the Pigeonhole Principle

  • Caldus
  • · Replies 10 ·
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10

High School Can Mathematics Predict Real-World Events Like Wars?

  • peter444
  • · Replies 9 ·
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9

Graduate Solving Hilbert's 6th Problem: Organic Mathematics

  • moshek
  • · Replies 3 ·
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3

Graduate What is (ln(i²))²?

  • FUNKER
  • · Replies 8 ·
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8

High School Find the Two Numbers: A Tricky Math Problem Solved in 5 Minutes

  • JasonRox
  • · Replies 4 ·
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4

Undergrad Possible title: Can you solve these mathematical challenges?

  • Janitor
  • · Replies 24 ·
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24

Graduate Is Maths an underlying principle of nature or did it originate from our brain?

  • Lorentz
  • · Replies 54 ·
2
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54

People who take on big problems

  • MathematicalPhysicist
  • · Replies 11 ·
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11

High School How do I simplify trig identities involving (tan+1)^2 and secx+1/secx?

  • Dantes
  • · Replies 2 ·
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2

High School Can You Think of a False Statement that Appears True?

  • Saad
  • · Replies 8 ·
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8

Undergrad Is 0.9999... equal to 1?

  • nemzy
  • · Replies 19 ·
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19

High School Finding the original area of a parallelogram with base 12cm

  • travishillier
  • · Replies 2 ·
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2

Graduate What Set of Axioms Leads to All Tautologies in Propositional Calculus?

  • StarThrower
  • · Replies 6 ·
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6

Undergrad Find 3rd Point of Right Angled Triangle

  • peader
  • · Replies 11 ·
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11

Create a Math Poem for College Students

  • ermines
  • · Replies 27 ·
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27

Undergrad Rearranging chessboard pieces while keeping adjacency

  • SeanP
  • · Replies 4 ·
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4

Undergrad Can you prove that x^3-8 is prime if x and x^2+8 are also primes?

  • Nexus[Free-DC]
  • · Replies 8 ·
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8

Ready for a mind-boggling math challenge?

  • Imparcticle
  • · Replies 17 ·
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17

High School Can You Divide By Zero in Math?

  • ShawnD
  • · Replies 8 ·
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8

Graduate Does 2^x = x lead to infinite exponential towers?

  • PFanalog57
  • · Replies 5 ·
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5

Undergrad When are two rational expressions equal if undefined at same points?

  • philosophking
  • · Replies 11 ·
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11

High School How to i solve the amplitude 3sin(2x)+4sin(x)

  • expscv
  • · Replies 9 ·
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9

High School From Struggling in High School to Acing Calculus: Is it Possible?

  • Chrono
  • · Replies 8 ·
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8

High School But I'm going to stick with my answer.Why does 0 factorial equal 1?

  • Math Is Hard
  • · Replies 16 ·
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16

Solving algebraic equations

  • new324
  • · Replies 2 ·
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2

Graduate Book recommendations for learning quantum field theory basics

  • MC363A
  • · Replies 2 ·
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2

High School How Do You Calculate Diameter from Volume?

  • bbg5000
  • · Replies 7 ·
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7

High School Creating a tessellation with translation or rotation on 8.5x11 paper

  • apegod
  • · Replies 3 ·
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3

High School Why does the equation y=mx+b represent a straight line?

  • Imparcticle
  • · Replies 53 ·
2
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53

High School Is 0 divided by 0 equal to any number?

  • MC363A
  • · Replies 93 ·
4
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93

Undergrad The SimCity navy has a rigorous training program

  • Greg Bernhardt
  • · Replies 6 ·
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6

Undergrad Is 2x = sqrt(2)x a Mathematical Paradox?

  • mister studebaker
  • · Replies 5 ·
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5

High School What is the solution to this algebraic problem?

  • xxpsychoxx
  • · Replies 16 ·
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16

Graduate Abel Prize to Atiyah and Singer

  • selfAdjoint
  • · Replies 5 ·
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5

High School What Do the Letters A, B, and the Greek Letter w Mean in this Curve Problem?

  • FabioTTT
  • · Replies 12 ·
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12

Undergrad Finding coordinates of object moving from L1 toward L2 after distance D

  • Ralgar
  • · Replies 2 ·
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2

Undergrad How can I simplify adding two sine waves using trigonometric identities?

  • flexifirm
  • · Replies 2 ·
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2

Graduate What do you think of these two books about Geometry?

  • folksong
  • · Replies 4 ·
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4

High School Online Converters: m3 to L, Rainfall Area in m2

  • martine
  • · Replies 3 ·
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3

Undergrad How Do You Convert Cylindrical Equations to Rectangular Form?

  • FabioTTT
  • · Replies 10 ·
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10

Is WinEDT the Easier Alternative to LaTeX?

  • Jin314159
  • · Replies 2 ·
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2