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.
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Cubic Equation Challenge: What is the value of $mn^2+nk^2+km^2$?
- anemone
- · Replies 2 ·
Find the primes,for which a relation is satisfied
- evinda
- · Replies 8 ·
Difference between the ages of Ramesh's parents
- burgess
- · Replies 3 ·
What makes the best math or physics comic?
- 1MileCrash
- · Replies 3 ·
Undergrad Can polynomial functions be determined in 3D using given points and coordinates?
- Jhenrique
- · Replies 1 ·
Solve System of Equations: a+b, ab+c+d, ad+bc, cd
- kaliprasad
- · Replies 3 ·
High School Recommendations on Elementary Geometry book
- Psi-yance
- · Replies 4 ·
Convert V: 10< 90 Degrees + 66 - j10V at 10k Rads/s
- csmith23
- · Replies 4 ·
Challenging Trigonometric Inequality: Can You Prove It?
- Albert1
- · Replies 5 ·
What Is the Maximum Value of $pq+qr+rs$ When $p+q+r+s=63$?
- anemone
- · Replies 3 ·
Graduate Expansion Info-Representation With Arbitrarily Adjustable Decimals
- davidelkins
- · Replies 2 ·
Graduate When did math become hard for you? Share your experience
- ghostwind
- · Replies 21 ·
Undergrad Generating the function from given coordinates and slopes
- cooper607
- · Replies 3 ·
Graduate Why Does My Inductive Impedance Calculation Seem Incorrect?
- thepipersson80
- · Replies 3 ·
High School Why use banker's rounding to round numbers ending in 5
- Yashbhatt
- · Replies 2 ·
High School How do you calculate all the possible combinations on a Rubik's cube?
- Nerdydude101
- · Replies 4 ·
Can You Prove $6^{33}>3^{33}+4^{33}+5^{33}?
- anemone
- · Replies 3 ·
Undergrad Solving system of inequalities
- FysixFox
- · Replies 12 ·
Deriving potential energy by simulation method
- aruwin
- · Replies 1 ·
Parity equivalent to the system
- evinda
- · Replies 7 ·
How Does Modulo Arithmetic Prove a Combinatorial Identity Involving Primes?
- evinda
- · Replies 3 ·
Graduate Plus sign in triangle usage (or minus, times)
- scop
- · Replies 1 ·
Undergrad What is the elevator paradox?
- Nerdydude101
- · Replies 5 ·
Why Does Modulus Primality Matter in Congruences?
- evinda
- · Replies 9 ·
There are infinitely many composite numbers
- evinda
- · Replies 14 ·
What is the Simplified Form of the Trigonometric Expression?
- anemone
- · Replies 3 ·
Is There a Solution to the Challenge of Inequality?
- anemone
- · Replies 2 ·
How Does 31.7 Equal 1.6% in This Math Problem?
- Tripp1
- · Replies 1 ·
Electron acceleration in decreasing cylindrical magnetic field
- Ackbach
- · Replies 8 ·
Prove the given equation has no solution
- Albert1
- · Replies 4 ·
No Positive Integer Solution for $4xy - x - y = z^2$
- kaliprasad
- · Replies 8 ·
Order of operation and why this gives the wrong answer?
- find_the_fun
- · Replies 7 ·
Graduate Is the "space" between one and two infinite?
- Toppy123
- · Replies 16 ·
Are Both Solutions to the Diophantine Equation $x^4 - 2y^2 = 1$ Valid?
- evinda
- · Replies 8 ·
Graduate Why Do People Misunderstand Mathematical Proofs of Nonexistence?
- 1MileCrash
- · Replies 31 ·
Undergrad Mean distance between points of 2D array
- cosmik debris
- · Replies 5 ·
High School Sierpinski Triangle: Equilateral or Isosceles?
- omega-centauri
- · Replies 2 ·
Undergrad B-spline and NURBS curve example
- basty
- · Replies 2 ·
Graduate Equation general of conic in polar coordinates
- Jhenrique
- · Replies 4 ·
Undergrad Calculate number of roads/lines a line crosses
- Rich2020
- · Replies 2 ·
Find m+n in $P(x)=x^3-6x^2+17x$ given $P(m)=16$ and $P(n)=20$
- anemone
- · Replies 6 ·
Graduate Probably a stupid question regarding 4-dimensional space
- Mhorton91
- · Replies 16 ·
Undergrad Simple geometric series question
- FeynmanFtw
- · Replies 8 ·
Proving $b^2-4ac \leq \frac{1}{8}$
- Albert1
- · Replies 2 ·
Finding Hall and Knight's Elementary Algebra and whether it's good for beginners
- Drain Brain
- · Replies 4 ·
Graduate Can You Find the Best Constant for Sum-Free Subsets?
- Office_Shredder
- · Replies 32 ·
How Does One Calculate Z from Electric Field Equations?
- nerdsamurai22
- · Replies 2 ·
Solving Resistors in a Circuit: Working Backwards
- csmith23
- · Replies 5 ·
What does the ground symbol mean in circuits?
- zhavelka
- · Replies 1 ·
Graduate Can The Human Body Be Expressed Mathematically?
- davgonz90
- · Replies 35 ·
Minimum 10 ohm resistors for 5 W dissipation
- dstorm
- · Replies 3 ·
Prove A_n is an integer for all n in N
- Albert1
- · Replies 1 ·
High School Is 3.62566 an Irrational Number?
- adjacent
- · Replies 19 ·
Remainder of $3^{2^n}-1$ Divided by $2^{n+3}$
- kaliprasad
- · Replies 5 ·
Are the solutions of the diophantine equations right?
- evinda
- · Replies 19 ·
Mesh currents, emfs, and resistances
- madbo517
- · Replies 4 ·
Solve triple square Diophantine equation
- individ
- · Replies 3 ·
Quickly Calculate $\text i^{n}$ Values
- Drain Brain
- · Replies 2 ·
Summation Problems: Solve Delta ti * T(Delta ti) for Age in Days
- Cokemaster
- · Replies 1 ·
Prove that C(n,1) equals n
- bergausstein
- · Replies 3 ·
Showing a^n - b^n never divides a^n + b^n for n ≥ 2
- evinda
- · Replies 11 ·
Evaluate Fraction: 30^4+324 to 78^4+324
- anemone
- · Replies 5 ·
Polynomial Challenge: Find $k$ Integral Values
- anemone
- · Replies 4 ·
Graduate Find A Counter-Example to This
- Atran
- · Replies 4 ·
How to prove that n^4+1 is composite for n>1
- evinda
- · Replies 11 ·
High School Can Mathematical Errors Lead to False Equations?
- STEMucator
- · Replies 17 ·
Solving a Challenge: Finding Real x to Satisfy an Equation
- anemone
- · Replies 9 ·
Undergrad Help understanding coefficient formula
- andyfive
- · Replies 2 ·
High School Terminology for exponentiation and logarithms
- wolf1728
- · Replies 1 ·
Answer: Calculate Electric Field Strength at 1mm for a Stationary Electron
- Alexis Deleon
- · Replies 1 ·
Solve for the coordinates of square
- Saitama
- · Replies 3 ·
High School Questions about the (Spatial) Fourth Dimension
- Tesseract
- · Replies 6 ·
Undergrad Can the sinh and cosh functions be expressed in terms of each other?
- Jhenrique
- · Replies 8 ·
Proving Divisibility: Does a^n Divide b^n Imply a Divides b?
- evinda
- · Replies 4 ·
Simplify a trigonometric expression
- anemone
- · Replies 7 ·
Why is the implication obvious?
- evinda
- · Replies 2 ·
Undergrad Books that explain why mathematical formulas work, not just how to use them
- urbano
- · Replies 3 ·
Is 27x^6+27x^3y^3+8y^6 Composite for Positive Integers x and y?
- anemone
- · Replies 2 ·
Find real number pairs (a,b) satisfying a polynomial equation
- anemone
- · Replies 2 ·
Description of how to solve six middle school geometry problems
- Mark Powell
- · Replies 1 ·
Why is the length of a QR code fixed?
- Albert1
- · Replies 2 ·
Real Solutions to $a-b+c-d=0; ab=cd; a^2-b^2+c^2-d^2=-24;a^2+b^2+c^2+d^2=50$
- anemone
- · Replies 3 ·
How Can I Correctly Derive the Quadratic Equation from a Train Speed Problem?
- Simonio
- · Replies 8 ·
Undergrad Solving 0x^2 + ax + b = 0: Why Different Results?
- JusApee
- · Replies 5 ·
Undergrad Finding polynomial coefficients and degree from two input-output pairs
- dislect
- · Replies 6 ·
Triangle Inequality: $a^4-1, a^4+a^3+2a^2+a+1, 2a^3+a^2+2a+1$
- anemone
- · Replies 4 ·
High School Preparing for 8th grade geometry
- c-english
- · Replies 7 ·
Undergrad Algebraic manipulation of equation
- jellicorse
- · Replies 2 ·
How Many Photons Does a Laser Emit in a Single Pulse?
- yakin
- · Replies 10 ·
Find the Min Sum of $m$ and $n$ for $(4^m+4^n)\ mod\ 100=0$
- Albert1
- · Replies 2 ·
Finding the Sum of $w,x,y,z$ Given $2^w+2^x+2^y+2^z=20.625$
- Albert1
- · Replies 2 ·
Can an Equilateral Triangle be Formed with Rational Vertices on the X-Axis?
- kaliprasad
- · Replies 5 ·
Undergrad Sides of a triangle given an area and an equation.
- maistral
- · Replies 6 ·
Undergrad General form of the solutions of polynomials
- Jhenrique
- · Replies 14 ·
High School How many roots does x^3.14 have?
- Jhenrique
- · Replies 13 ·
Solve the trigonometric equation
- anemone
- · Replies 3 ·
High School Does the function f(x) = ax+b have a discriminant? If so, what is it?
- Jhenrique
- · Replies 5 ·
High School Should trig functions use absolute values in their definitions?
- fonz
- · Replies 12 ·
Finding the Sum of Cubes for Rational Numbers with Integer Roots
- Albert1
- · Replies 2 ·
What are the real values of $k$ that satisfy the trigonometric inequality?
- anemone
- · Replies 1 ·