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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Finding Angle C in Triangle ABC
- Albert1
- · Replies 3 ·
Is tan(36°) always equal to √(5-2√5) for regular pentagons?
- Monoxdifly
- · Replies 7 ·
Solving Polar Form of $\sin x$: Simple Equations
- karush
- · Replies 4 ·
High School Simplifying kinetic energy inequality in inelastic collisions
- Obliv
- · Replies 9 ·
What is the last odd digit in the factorial sequence?
- ittalo25
- · Replies 1 ·
Undergrad What are some cool parametric equations for a butterfly curve?
- Isaac0427
- · Replies 6 ·
How can you maximize a trigonometric expression?
- anemone
- · Replies 1 ·
Arithmetic and geometric sequence
- paix1988
- · Replies 2 ·
High School What Determines the Placement of Orange Circles in This IQ Test Pattern?
- KarminValso1724
- · Replies 5 ·
Undergrad Optimizing Prisoner Strategy for the Hat Riddle: A Simple Solution
- collinsmark
- · Replies 35 ·
Can the Polar Form of $y=x^3$ be Plotted on W|A?
- karush
- · Replies 2 ·
Inequality of logarithm function
- anemone
- · Replies 3 ·
Combination of field and particle methods for fluid dynamics
- scienceguru2
- · Replies 1 ·
High School Heard of Another Kind of "Rational" (Fraction) Addition?
- PMH
- · Replies 8 ·
Inequality Challenge: Prove $\ge 0$ for All $a,b,c$
- anemone
- · Replies 2 ·
Undergrad Can a Cat Catch a Mouse Running in a Circle at the Same Speed?
- BillhB
- · Replies 13 ·
Inequality Challenge: Prove $\sum_{1}^{n}$
- Albert1
- · Replies 3 ·
Undergrad Geometrical Problem: What is the Value of DC?
- n7imo
- · Replies 8 ·
Undergrad Solving a Tricky Nonlinear Equation System: A Quest for Closed Form Solutions
- n7imo
- · Replies 3 ·
Is This System of Equations Impossible to Solve?
- anemone
- · Replies 6 ·
Can you factorize this trigonometric expression?
- anemone
- · Replies 4 ·
High School Reducing Fractions: Learn the Basics and Get Answers
- ophion
- · Replies 6 ·
Undergrad General formulae for the roots of a cubic equation
- Gabriel Maia
- · Replies 4 ·
Undergrad What is the surprising function discovered in these equations?
- Terry Coates
- · Replies 6 ·
Undergrad List of quantitative methods for optimization
- Bobishere
- · Replies 1 ·
Find the sum of the first 17 terms of the arithmetic series
- karush
- · Replies 8 ·
Solving $3p^4-5q^4-4r^2=26$ for $p,q,r$
- Albert1
- · Replies 3 ·
Find the 79th term in the sequence
- karush
- · Replies 2 ·
Insights The Monographic Substitution Cipher: From Julius Caesar to the KGB - Comments
- bapowell
- · Replies 7 ·
Interview with a Mathematical Physicist: John Baez Part 1 - Comments
- john baez
- · Replies 18 ·
Undergrad Creating a Discontinuous 3D Function for Quantum Dots
- Ben Wilson
- · Replies 4 ·
Find the Value of $f(102)$ for $f(x)$ of Degree 100
- Albert1
- · Replies 4 ·
Undergrad How many combinations of unique arrangements are there?
- question99
- · Replies 5 ·
What is Pi Day and why do nerds celebrate it?
- Chestermiller
- · Replies 12 ·
Undergrad 5th order equation unsolvable by approximation methods?
- arupel
- · Replies 7 ·
How Does Gauss' Law Apply to Infinite Oppositely Charged Plates?
- Mango12
- · Replies 6 ·
Deriving the Voltage Equation: Using Kinematics to Show V=(mv^2/2q)
- Mango12
- · Replies 6 ·
Undergrad Understanding the Physical Meaning of Pi in a Circle
- akashpandey
- · Replies 38 ·
Can you simplify a monstrous remainder problem using modular arithmetic?
- Guest2
- · Replies 1 ·
Expression containing coefficients of a quadratic equation
- Evgeny.Makarov
- · Replies 5 ·
High School Most Efficient Method for Counting
- ProfuselyQuarky
- · Replies 20 ·
Prove $\dfrac{a^3}{c}+\dfrac{b^3}{d}\ge 1$ with Algebra Challenge
- anemone
- · Replies 8 ·
High School Issue with Ramanujan Summation
- Isaac0427
- · Replies 7 ·
Find "h" & "k" Given a,b,c,d,f,g: Method Explained
- hasu1
- · Replies 1 ·
Polynomial Challenge: Find Real Solutions
- anemone
- · Replies 1 ·
Equation With Integer Solutions
- anemone
- · Replies 5 ·
High School Generalization of Archimedes' Trammel?
- nomadreid
- · Replies 2 ·
Prove Inequality of $x$ and $y$ with $x^3-y^3=2$ and $x^5-y^5\ge 4$
- anemone
- · Replies 3 ·
Undergrad Does X times 0 always equal 0 or are there exceptions?
- bahamagreen
- · Replies 17 ·
Undergrad Remainders of multiples of m divided by n when m and n are coprime
- mrandersdk
- · Replies 3 ·
Where Do the Diagonals of a Parallelogram Intersect?
- evinda
- · Replies 8 ·
Graduate Can a Tree Visit Every Cell in a Cubic Lattice Blindly?
- intervoxel
- · Replies 3 ·
Undergrad Do we need to think in some other way?
- Gjmdp
- · Replies 2 ·
How do you find the volume of a parallelepiped using its vertices?
- evinda
- · Replies 3 ·
Ratio of the Area of Similar Polygons
- Hobbes1
- · Replies 1 ·
[ASK] Can Abacus be Used to Multiply Two Single Digits?
- Monoxdifly
- · Replies 2 ·
Prove Positive Fraction + Inverse is ≥2
- IHateFactorial
- · Replies 1 ·
Find the ratio of Alan and Jenny's speeds
- mathgeek7365
- · Replies 2 ·
Undergrad Solving complex formulas and higher order polynomials
- Genius271828
- · Replies 4 ·
Undergrad Can someone define what a tuple is for me?
- Solid Snake
- · Replies 4 ·
High School Divide Chocolates: Division & Fraction Homework for Kids
- Physou
- · Replies 7 ·
Prove the minimum is greater than or equal to 8
- anemone
- · Replies 2 ·
Proving $\frac{a}{b^2+4}+\frac{b}{a^2+4}\ge \frac{1}{2}$ with $a+b=ab$
- anemone
- · Replies 3 ·
High School How do I "step by step" (nx)^2?
- Observeraren
- · Replies 4 ·
Proving Trig Identity: (Sin2x-tanx)/cos2x=tanx
- paix1988
- · Replies 1 ·
How to Solve for x in a Logarithmic Equation?
- rtwikia
- · Replies 8 ·
Triangle Challenge: Proving Inequality of Sides
- anemone
- · Replies 4 ·
Undergrad Can Rationals Be Factored with Non-Natural Exponents?
- DaTario
- · Replies 9 ·
Finding the Maximum Value of n for a Given Equation
- Marcelo Arevalo
- · Replies 2 ·
Area and angles of iso triangle given find sides
- karush
- · Replies 3 ·
Inequality challenge for all positive (but not zero) real a, b and c
- anemone
- · Replies 3 ·
How many Numbers can appear as product?
- Marcelo Arevalo
- · Replies 3 ·
Solving Multiples Problems with Distinct Digits
- Marcelo Arevalo
- · Replies 2 ·
Undergrad Interesting maths problems -- can you share some?
- moriheru
- · Replies 2 ·
High School Unit Circle and Other Trig Questions
- onemic
- · Replies 10 ·
Undergrad Al-Khwarizmi's 6th quadratic case
- KevinMWHM
- · Replies 5 ·
Finding Points Parallel to a Plane
- Guest2
- · Replies 2 ·
Find solutions in natural numbers
- anemone
- · Replies 3 ·
A line passing through two points
- Guest2
- · Replies 1 ·
How can we find the formula of the force?
- evinda
- · Replies 20 ·
Calculating Speed: Solving a Distance and Time Problem
- Marcelo Arevalo
- · Replies 6 ·
High School Can someone solve this exponential equation for me?
- Ameer Bux
- · Replies 10 ·
Therefore, Kenny scores 31 points in the last test.
- Marcelo Arevalo
- · Replies 2 ·
Undergrad Symmetric injective mapping from N² to N
- Estanho
- · Replies 7 ·
Which is bigger: 1016^11·3016^31 or 2016^42
- anemone
- · Replies 2 ·
What is the Sum of Roots for $P(x)=x^3-2x^2-x+1$ with $x_1>x_2>x_3$?
- anemone
- · Replies 8 ·
Expressing a ratio as a fraction, decimal and percentage
- iamthecosmos
- · Replies 6 ·
Undergrad Rearranging an equation and drawing a blank
- samsquaunch
- · Replies 6 ·
Graduate Solving a Scheduling Problem with Diophantine Equations
- lavoisier
- · Replies 3 ·
Proof that ax^2 + bx + c has No Rational Zeroes if a,b, and c are Odd
- IHateFactorial
- · Replies 1 ·
Graduate Proof of expanded divided difference?
- Superposed_Cat
- · Replies 2 ·
Undergrad What Is the Term for Models That Can't Scale Accurately in All Ratios?
- Dr Wu
- · Replies 1 ·
High School Which number set does log(0) belong to?
- Garlic
- · Replies 8 ·
Undergrad A question regarding "Who is born earlier in time"
- simplex1
- · Replies 30 ·
Is 2017^4+4^{2017} a Prime Number?
- anemone
- · Replies 3 ·
Graduate Formula using rational numbers
- intervoxel
- · Replies 9 ·
Integer Solutions - Solve $a^2+b^2+c^2 + a + b+ c = 1$
- kaliprasad
- · Replies 3 ·
Is $3^{2520}+4^{4038}$ Prime?
- anemone
- · Replies 5 ·
Calculating the Angle between Ship and Rock
- evinda
- · Replies 18 ·
High School Arrange Mathematical Operation Using 0-9 to Match the Post Number
- Monoxdifly
- · Replies 4 ·