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

Understanding inverse functions

  • Casio1
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2

Undergrad How many toothpicks are needed to win.

  • westgrant88
  • · Replies 6 ·
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6

Graduate Questions about the logic of infinity

  • n_kelthuzad
  • · Replies 29 ·
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29

Undergrad Is Zero a Concept or a Real Number?

  • HHayashi
  • · Replies 34 ·
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34

Need Help With a Trigonometric Equation?

  • siyanor
  • · Replies 3 ·
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3

Solving the Equation: Two Answers?

  • siyanor
  • · Replies 2 ·
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2

Undergrad What Determines the Shape of a Quadratic Equation's Graph?

  • matiasmorant
  • · Replies 3 ·
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3

High School Half Comes From Where? Understanding the Origin of 1/2

  • waqarrashid33
  • · Replies 10 ·
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10

Find "n" Given p=s and m=4,541,160 | Integer Solution

  • Wilmer
  • · Replies 2 ·
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2

Undergrad What is Euler's identity really saying?

  • MadViolinist
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3

Sin Values of 87 and 89 Degrees

  • juantheron
  • · Replies 3 ·
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3

Polynomial of Degree 98: Value of $p(100)$

  • juantheron
  • · Replies 3 ·
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3

Undergrad 3z-1+2√z=32This equation gets solved when we assume the z as

  • Kartik.
  • · Replies 2 ·
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2

Optimizing Resultant Forces: Finding Maximum and Minimum Magnitudes

  • Needhelp2
  • · Replies 4 ·
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4

Undergrad Flexibility - multiple methods for solutions?

  • Yh Hoo
  • · Replies 5 ·
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5

Undergrad Proving the Equivalence of √(1) and √(-1)(-1)

  • Yh Hoo
  • · Replies 1 ·
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1

Find Side AB of Triangle ABC Given M, N, and C

  • Wilmer
  • · Replies 5 ·
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5

High School Multiply a trigonometry function

  • Pin Head
  • · Replies 3 ·
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3

Dynamics Coursework; Angular Velocity, Springs, Force

  • DTskkaii
  • · Replies 1 ·
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1

Finding the vertex, y-intercept and axis of symmetry

  • MammaOrnelas
  • · Replies 10 ·
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10

Graduate What's the difference between Turing Machine and UTM?

  • xeon123
  • · Replies 2 ·
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2

High School Dividing by Zero: What's the Mistake?

  • Hernaner28
  • · Replies 5 ·
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5

Undergrad Challenge: can you take the sqrt (n) using only one operation

  • logics
  • · Replies 31 ·
2
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31

What Are the Solutions to These Basic Arithmetic Problems?

  • beefy
  • · Replies 2 ·
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2

Graduate Finding the ith Item in a Continued Fraction Expansion

  • Charles49
  • · Replies 2 ·
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2

Graduate Discrete samples into continuous signal

  • auntio
  • · Replies 1 ·
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1

Finding the equation of vertex of right angle triangle

  • hb2325
  • · Replies 2 ·
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2

High School What is the measurement of a Logarithmic

  • Bootsie
  • · Replies 9 ·
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9

Graduate If f(x,y)+f(y,x)=0 for any x,y, is it true that f(x,y)=g(x)-g(y)

  • AlonsoMcLaren
  • · Replies 3 ·
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3

High School Solve Quadratic Equations for x: Mechanics Notes & Error Check

  • RStars
  • · Replies 6 ·
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6

High School Generate random numbers by hand?

  • mishima
  • · Replies 5 ·
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5

Undergrad Do you know this property of the logarithm?

  • azabak
  • · Replies 2 ·
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2

High School Relationship between angle gamma and alpha and beta

  • Demon117
  • · Replies 3 ·
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3

Undergrad NP vs P - difference between veryfing and answering

  • xeon123
  • · Replies 4 ·
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4

High School Why Is This Childhood Maths Problem So Hard to Solve?

  • fuzzyhead
  • · Replies 2 ·
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2

High School Square rooting an equation/inequality, which side is +/-?

  • autodidude
  • · Replies 11 ·
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11

Graduate Is this problem ill-conditioned or not?

  • nonequilibrium
  • · Replies 9 ·
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9

Undergrad Freedom or aligators use switches for code.

  • westgrant88
  • · Replies 20 ·
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20

High School How is sine of 90 degree possible

  • physics kiddy
  • · Replies 7 ·
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7

Undergrad The giants in mathematics and their works

  • HGTy
  • · Replies 5 ·
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5

On the loneliness of mathematicians

  • bobsmith76
  • · Replies 14 ·
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14

Roots of a polynomial with non-real coefficients.

  • juantheron
  • · Replies 1 ·
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1

Undergrad What method of factorization is this?

  • autodidude
  • · Replies 1 ·
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1

How Does Trigonometry Affect the Roots of a Quadratic Equation?

  • juantheron
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2

Undergrad How Is Ionization Density Expressed in Terms of Charge?

  • CloudChamber
  • · Replies 1 ·
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1

Graduate Math Blogging: Interesting Problems & Representation Theory

  • Chris11
  • · Replies 4 ·
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4

Undergrad Can you prove the identities for sqrt(2) and pi from the xkcd comic?

  • flatmaster
  • · Replies 11 ·
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11

Undergrad Solving absolute value equations

  • autodidude
  • · Replies 5 ·
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5

Undergrad Creating a number using a combination of two numbers

  • musicgold
  • · Replies 5 ·
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5

Graduate Calculate "a" in c=sum_i( ( p(i)^a ) * b(i) ) / sum_i( p(i)^a )

  • dalves
  • · Replies 2 ·
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2

Graduate Question about hilberts hotel.

  • cragar
  • · Replies 5 ·
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5

Graduate Turing machine - polynomial time expression

  • xeon123
  • · Replies 1 ·
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1

Graduate New mathematical operation labelled #

  • Quark Itself
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3

Graduate How to trasform an orthonormal system in two reference frames

  • matteo86bo
  • · Replies 1 ·
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1

Graduate Inconsistency between mathematics and our universe.

  • 00Svo
  • · Replies 17 ·
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17

Solving System of Equations with x,y,z in [0,pi/2)

  • juantheron
  • · Replies 1 ·
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1

Minimum degree of a polynomial passing through points

  • juantheron
  • · Replies 6 ·
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6

High School How do you find the cubic root of n without using log keys?

  • logics
  • · Replies 9 ·
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9

How Do You Solve the Exponential Equation 2^(4x-3) = 1/8?

  • shorty888
  • · Replies 5 ·
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5

High School Why do we care so much about the roots of equations?

  • musicgold
  • · Replies 5 ·
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5

Undergrad Solve Quadratic Equation: √(5x-1) - √x=1

  • azizlwl
  • · Replies 3 ·
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3

Undergrad Working out an equation for forces upon an object

  • Mike Charlie
  • · Replies 3 ·
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3

Undergrad How can someone prove the following trigonometric identity?

  • cocopops12
  • · Replies 3 ·
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3

Graduate Understanding Laws of Logs: How to Derive Chemistry Kinetics Equation

  • mycotheology
  • · Replies 2 ·
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2

High School How do I write radian decimals in terms of Pi?

  • jester0608
  • · Replies 3 ·
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3

Undergrad Odd-Numbered Arithmetic Progressions: A Different Perspective

  • Kartik.
  • · Replies 1 ·
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1

How Can Trigonometry Help Find an Obtuse Angle in a Circle Sector?

  • Needhelp2
  • · Replies 3 ·
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3

Undergrad Solving polynomial equations,hlep

  • scn7th
  • · Replies 12 ·
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12

Undergrad General question re infinities

  • elementbrdr
  • · Replies 7 ·
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7

Undergrad What is the amplitude of a sine wave?

  • jeffy
  • · Replies 2 ·
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2

Polynomial Function: Find All Zeros (Real & Complex)

  • shorty888
  • · Replies 1 ·
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1

Undergrad Arithmetic Progression formula proof

  • Kartik.
  • · Replies 4 ·
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4

High School Direct and indirect proportion

  • sgstudent
  • · Replies 1 ·
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1

Undergrad Z-direction acceleration with accelerometer/magnetic-field sensor

  • ericrijnb
  • · Replies 6 ·
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6

Nigerian Mathematicians your opinion

  • Futuregen600
  • · Replies 6 ·
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6

Undergrad How can I solve a^i=b in Objective C?

  • rhenretta
  • · Replies 2 ·
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2

How to find the intersections of a circle and a line?

  • Casio1
  • · Replies 2 ·
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2

Graduate Mathematics Resources: Proving Existence of m,n for e^(m/n)=π

  • glebovg
  • · Replies 2 ·
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2

Undergrad Understanding Period and Frequency in Composite Sine Functions

  • Cluelessness
  • · Replies 3 ·
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3

Number of real roots of a quartic

  • CaptainBlack
  • · Replies 2 ·
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2

Undergrad Finding the Pivot Point of a Chassis: Need Help!

  • MrAJMemphis
  • · Replies 4 ·
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4

Proof: p=1 mod 4 if p|x^2+1 Problem statement

  • I like Serena
  • · Replies 4 ·
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4

CaptainBlacks Occasional Problem #3

  • CaptainBlack
  • · Replies 10 ·
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10

High School Why does multiplying by 0 equal 0?

  • LightbulbSun
  • · Replies 35 ·
2
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35

High School How do I factor 4 term polynomial?

  • jester0608
  • · Replies 2 ·
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2

Undergrad Combine Equations: Radius, Circumference, Velocity, Time

  • tommyboo
  • · Replies 4 ·
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4

Undergrad Starnge Recursion algorithm definition

  • xeon123
  • · Replies 1 ·
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1

Undergrad This is making think the function is contradicting

  • look416
  • · Replies 14 ·
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14

High School Hate Calculating Doppler Shifts? You're Not Alone!

  • Cbray
  • · Replies 3 ·
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3

Undergrad Book to prove that an algorithm is correct?

  • xeon123
  • · Replies 4 ·
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4

What are some recommended videos about mathematics?

  • John M
  • · Replies 12 ·
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12

Undergrad Mandelbrot's Fractal: Why the Simple Set Creates Mesmerizing Shapes

  • Sorento7
  • · Replies 9 ·
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9

Graduate Cubic polynomial function with 3 real roots; one at infinity?

  • hiroman
  • · Replies 2 ·
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2

Calculating Powers of 4: A Challenge!

  • Wilmer
  • · Replies 4 ·
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4

High School 2 Inscribed Angle Geometry Problems

  • DEMJR
  • · Replies 1 ·
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1

Graduate French-English Mathematics Dictionary

  • alexfloo
  • · Replies 3 ·
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3

Graduate Lunatic Rantings about Modular Arithmetic.

  • 1MileCrash
  • · Replies 3 ·
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3

If maths is about finding patterns

  • kaleidoscope
  • · Replies 9 ·
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9

High School Fishing for a presentation idea

  • NRS
  • · Replies 3 ·
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3

Undergrad How to Isolate x in a Complex RLC Circuit Equation?

  • p75213
  • · Replies 3 ·
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3