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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Graduate Derangements and Contour Integrals?
- Mandelbroth
- · Replies 1 ·
Graduate Is this method for exchanging symmetric key using RSA sound?
- Masterx00
- · Replies 1 ·
Graduate Closed form for (in)finite sums
- henpen
- · Replies 1 ·
Graduate Claimed Proof of ABC Conjecture in Number Theory
- qspeechc
- · Replies 1 ·
Graduate Interesting graph theory problem
- alejopelaez
- · Replies 1 ·
Graduate Help with shared constraints (game theory)
- ruzbayhhi
- · Replies 1 ·
Graduate Intersection of straight line with (lagrange) polynomial
- bigfooted
- · Replies 1 ·
Undergrad Life Cycle Cost Analysis (LCCA)
- Petr Mugver
- · Replies 1 ·
Graduate Is the Collatz Conjecture's Behavior Predicted by Binary Representations?
- Frog42
- · Replies 1 ·
Graduate Trigonometric interpolation of a sampled signal
- dodoPN
- · Replies 1 ·
Undergrad Modular Multiplication: How to Efficiently Calculate (a * b) mod c in C/C++?
- chesschi
- · Replies 1 ·
Undergrad Base 2 odd numbers and their mirror image values
- philiprdutton
- · Replies 1 ·
Undergrad How Do You Convert Milliseconds to 8.68 Microsecond Units for RPM Calculations?
- Wetmelon
- · Replies 1 ·
Undergrad What is a line (coordinate geometry)
- Greg Bernhardt
- · Replies 1 ·
High School What is a Parabola? A 5 Minute Introduction
- Greg Bernhardt
- · Replies 1 ·
High School What is the quadratic equation
- Greg Bernhardt
- · Replies 1 ·
Graduate What is the history of quadratic reciprocity and its symbols?
- Greg Bernhardt
- · Replies 1 ·
Undergrad Reformulating a simple cost function - combining 2 variables
- bradyj7
- · Replies 1 ·
Graduate What Defines a Perfect Number?
- Greg Bernhardt
- · Replies 1 ·
High School What is the equation of a circle
- Greg Bernhardt
- · Replies 1 ·
Undergrad Eccentricity: Definition, Summary & Equations
- Greg Bernhardt
- · Replies 1 ·
High School What is the distance between two points
- Greg Bernhardt
- · Replies 1 ·
Graduate What Are Conic Sections and How Are They Defined?
- Greg Bernhardt
- · Replies 1 ·
Graduate What Is the Point of Finding the Relative Error in a Vector?
- andresc889
- · Replies 1 ·
Undergrad What is Cartesian Coordinates & Formulas?
- Greg Bernhardt
- · Replies 1 ·
Graduate Fourier expansion of boolean functions
- Dragonfall
- · Replies 1 ·
Graduate Special Functions and Polynomials
- Astronuc
- · Replies 1 ·
Graduate How can a DCT help identify the obvious frequency of a discrete wave?
- yetar
- · Replies 1 ·
Graduate A filter with a narrower-than-Fourier Transform passband?
- virtualetters
- · Replies 1 ·
High School What are trigonometric identities
- Greg Bernhardt
- · Replies 1 ·
Undergrad Prime number distribution and hit in a carrom game
- rajeshmarndi
- · Replies 1 ·
Graduate 0-1 kNapsack problem FPTAS algorithm
- StIgM@
- · Replies 1 ·
Graduate Proving Mobius Behaving Pair with Möbius Function μ(n)
- Gear300
- · Replies 1 ·
Graduate Basic Math Problem of the Week 9/21/2017
- PF PotW Robot
- · Replies 1 ·
Graduate Intermediate Math Problem of the Week 10/25/2017
- PF PotW Robot
- · Replies 1 ·
Graduate Convex Optimization Without Slater Condition
- mertcan
- · Replies 1 ·
Graduate What is Fermat's little theorem
- Greg Bernhardt
- · Replies 1 ·
Solve Sticky Spitballs Art Puzzle: Bob, Cal, Don & Baum
- Wilmer
- · Replies 3 ·
Solving Cubic Root Algebra: Don't Know the Steps
- STS
- · Replies 2 ·
Logarithm Identity: Prove Loga(1/x)=log1/x(a)
- Wild ownz al
- · Replies 1 ·
Undergrad Solving this Equation that Wolfram Alpha doesn't compute....
- kajakkajak
- · Replies 5 ·
[ASK] Proof of Some Quadratic Functions
- Monoxdifly
- · Replies 6 ·
Prove q((p^2)-1)=2: Struggling to Crack the Math Problem
- Wild ownz al
- · Replies 1 ·
Seeking a specific formula to allow for materials shrinkage
- XNotLost
- · Replies 4 ·
Time for truck to go down ramp and reach point B
- Porter Tawa
- · Replies 4 ·
Order Matters: Intro to Pure Mathematics Module
- matqkks
- · Replies 1 ·
Prove the inequality (a^3-c^3)/3≥abc((a-b)/c+(b-c)/a)
- lfdahl
- · Replies 3 ·
High School Can Negative Numbers Be in the Domain of the Square Root Function?
- FAS1998
- · Replies 4 ·
Insights A Pure Hamiltonian Proof of the Maupertuis Principle - Comments
- wrobel
- · Replies 1 ·
What is the minimum sum of fractions with positive numbers and permutations?
- lfdahl
- · Replies 2 ·
Show that a^(2n)≡1 (mod 2^(n+2))
- evinda
- · Replies 9 ·
How to Pronounce A' in Transformations | ASK
- Monoxdifly
- · Replies 4 ·
Undergrad Who is Right: Backward Difference Table or Forward Difference Table?
- momentum
- · Replies 6 ·
High School Is 1*0 Truly Equal to 0 in Physical Reality?
- Laca
- · Replies 1 ·
High School Is Implicit Function Theorem Useful in Optimal Control Theory?
- mech-eng
- · Replies 4 ·
What is the positive integer $n$ with a special property?
- lfdahl
- · Replies 2 ·
Area of Triangle ABC: Find the Solution
- STS
- · Replies 2 ·
Prove the binomial identity ∑(-1)^j(n choose j)=0
- lfdahl
- · Replies 3 ·
Undergrad Discrete Optimization Problem?
- iScience
- · Replies 3 ·
Use Variables to Create Function
- Silva1
- · Replies 6 ·
Undergrad Is a Vertical Line the Correct Depiction for this Equation?
- NATE MATE
- · Replies 13 ·
Undergrad Why is Graham's number a factor of 3?
- BWV
- · Replies 12 ·
Parallelogram with diagonals. Need to find the area (S).
- STS
- · Replies 5 ·
Is Karen Uhlenbeck the First Woman to Win the Abel Prize?
- gleem
- · Replies 4 ·
Undergrad Chord Length: A Mathematical Observation
- karush
- · Replies 7 ·
High School Is 0.999... really equal to 1? Examining the proof.
- Astro021
- · Replies 3 ·
Inequality involves radical, square and factorial expression 3√{x}+2y+1z^2⩽ 13
- anemone
- · Replies 6 ·
Undergrad Polynomial of finite degree actually infinite degree?
- Mr Davis 97
- · Replies 30 ·
Is Tan(cos2x) equal to tan(2 cos^-1(x))?
- Elissa89
- · Replies 5 ·
Solving Cubic Equation: x^3 - kx + (k + 11) = 0
- Taran1
- · Replies 3 ·
Undergrad Wallis' Formula and Quantum Mechanics
- stevendaryl
- · Replies 3 ·
Find Common Difference of A.P. Given G.P. & Logarithms
- WMDhamnekar
- · Replies 6 ·
Questions on Pell's & Non-Linear Diophantine Equations UG Level
- matqkks
- · Replies 2 ·
High School Why is x2 . y2 not equal to (x-y) (x+y)?
- Atqiya
- · Replies 1 ·
Ratio word problem: What fraction of the original counters remain in the bag
- Jessica15
- · Replies 3 ·
Graduate Diophantine Equation with no solutions
- e2m2a
- · Replies 6 ·
High School Is Zero Divided by Zero Equal to One?
- Mbuso
- · Replies 2 ·
A positive integer divisible by 2019 the sum of whose decimal digits is 2019.
- lfdahl
- · Replies 2 ·
Determine all real x in x^n+x^(-n)
- lfdahl
- · Replies 5 ·
Undergrad Absorption of Radiation: Calculating Sphere Area
- hagopbul
- · Replies 11 ·
High School What does this mysterious formula found in a financial institution mean?
- DaveC426913
- · Replies 3 ·
Number of Possible Sums with 1-15 Cards
- WMDhamnekar
- · Replies 3 ·
Ordered pair (x,y): x choose y = 2020
- juantheron
- · Replies 2 ·
Graduate How is mathematics related to creativity?
- fresh_42
- · Replies 7 ·
Proving Addition/Subtraction Formulas - Tan(x-y)+Tan(y-z)+Tan(z-x)
- Elissa89
- · Replies 4 ·
Graph the function y=-1/2[cos(x+pi)+cos(x-pi)] and make a conjecture
- Elissa89
- · Replies 2 ·
Express in terms of sine function of f(x)=sinx+cosx
- Elissa89
- · Replies 2 ·
Undergrad Periodic potential V(x) -- how can I show that the period is d?
- GAB1
- · Replies 3 ·
Four Capacitors: What is the charge on C4
- ajkess1994
- · Replies 1 ·
[ASK] Exponents and Roots Simplification problem
- Monoxdifly
- · Replies 12 ·
Undergrad All partitions of 10 into size 6
- Mr Davis 97
- · Replies 1 ·
Undergrad Line count in a simple program
- SSequence
- · Replies 16 ·
Question: What is the value of ⌊ 2020/(1+2+3+...+2019)⌋?
- juantheron
- · Replies 2 ·
What Do These Numbers Represent?
- Waldo
- · Replies 1 ·
Graph of P(x) Under |y| Transformations: a & b
- twicesana
- · Replies 2 ·
Finding the impedance in rectangular and polar form
- MFletch
- · Replies 11 ·
Evaluate ⌊ 1/a_1+1/a_2+....+1/a_{2008} ⌋
- juantheron
- · Replies 2 ·
High School Do you visualize equations abstracly when doing math?
- entropy1
- · Replies 18 ·
Binomial Sum \displaystyle \sum^{n}_{k=0}\binom{n+k}{k}\cdot \frac{1}{2^k}
- juantheron
- · Replies 1 ·
Challenge Problem #6: Prove tan 18°=√(1-2/√5)
- Olinguito
- · Replies 3 ·