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 Does Mihailescu's theorem use the infinitude of primes?
- DaTario
- · Replies 2 ·
High School Grant Sanderson on PI, Galperin's Puzzle and QC Grover's Search
- jedishrfu
- · Replies 1 ·
How would the year 2011 appear in standard form
- sara123
- · Replies 1 ·
Undergrad Modular Arithmetic: Find Multiples, Understand the Reason
- rashida564
- · Replies 5 ·
Graduate Euclid's formula and real numbers
- e2m2a
- · Replies 5 ·
Maximum area of rectangle which circumscribes the given quadrilateral.
- WMDhamnekar
- · Replies 21 ·
Lecture Notes from Cambridge and Oxford
- ModusPonens
- · Replies 1 ·
High School What Does $L^{-1} Indicate in Pricing?
- Rich76
- · Replies 3 ·
Amplitude, Period, frequency and phase angle
- jenney
- · Replies 1 ·
High School Resolving index laws for fractional exponents
- etotheipi
- · Replies 2 ·
Proof with Induction 3/2-5/6+7/12-9/20+11/30-....
- Yankel
- · Replies 5 ·
[ASK] Equation of a Circle in the First Quadrant
- Monoxdifly
- · Replies 4 ·
[ASK] Make x and y the Subjects: x^3-3xy^2=a, 3x^2y-y^3=b
- Monoxdifly
- · Replies 6 ·
[ASK]Show that the sum of the fifth powers of these numbers is divisible by 5
- Monoxdifly
- · Replies 4 ·
What are the coordinates of point D?
- ThatSirOof
- · Replies 1 ·
Finding lines through given point perpendicular and parallel to given line
- swag312
- · Replies 1 ·
Computation based on linear growth
- swag312
- · Replies 1 ·
High School Interested to see how others do simple algebraic manipulations
- etotheipi
- · Replies 5 ·
Solve 8^x+8^(-x)=? When 4^x+4^(-x)=8
- Monoxdifly
- · Replies 4 ·
[ASK] A Circle Which Touches the X-Axis at 1 Point
- Monoxdifly
- · Replies 2 ·
How Should Negative Percentages Be Written?
- BWV
- · Replies 5 ·
Cost of Fairness: Splitting Vehicle Hire Costs
- whiskeredbat
- · Replies 2 ·
Calculating Exponents for Business Model
- DesperatelyLost
- · Replies 5 ·
Can You Prove This Number Theory Problem Involving Primes and Coprime Numbers?
- MountEvariste
- · Replies 1 ·
High School Example on pg. 23 of Mathematics for the Million
- bekkilyn
- · Replies 17 ·
High School Before understanding theorems in elementary Euclidean plane geometry
- LittleRookie
- · Replies 12 ·
High School Elementary analytic geometry textbook recommendation
- LittleRookie
- · Replies 7 ·
How do we expand fractions to make their denominators the same for subtraction?
- bobisaka
- · Replies 1 ·
Evaluate 3/7 r + 5/8 s when r = 14 and s = 8
- bobisaka
- · Replies 3 ·
Solved for Prime using Grade 4 Math Prove me wrong
- kevinmorais
- · Replies 1 ·
[ASK] Proving Trigonometry 2sinα+2sinβ+2sinγ=4sinαsinβsinγ
- Monoxdifly
- · Replies 4 ·
Undergrad Spectrum of a function vs of a matrix
- Kaguro
- · Replies 1 ·
What is the Value of \(x^5+y^5+z^5\) Given Initial Polynomial Conditions?
- WMDhamnekar
- · Replies 1 ·
Euler/Riemann Point of Departure in Riemann's 1859 paper containing RH
- Greg
- · Replies 1 ·
High School How to avoid arithmetic and sign errors
- hackedagainanda
- · Replies 6 ·
Need help finding Diagonals of a Rhombus
- thatbluegsx90
- · Replies 2 ·
Undergrad Principal difference between complex numbers and 2D vectors revisited
- SVN
- · Replies 24 ·
Undergrad Karatsuba multiplication implementation question
- Warp
- · Replies 3 ·
High School Help for Trig or geometry? Where can i find the help?
- Witcher
- · Replies 3 ·
Fraction word problem: how many rows are devoted to each plant
- skyshooterD
- · Replies 2 ·
When the function is not constant
- ghostfirefox
- · Replies 1 ·
Partial fraction decomposition (x-3)/(x^2+4x+3)
- Guzman10
- · Replies 4 ·
High School Proof of Cyclic Quadrilateral AEDT in Circle ABCD
- lungoy
- · Replies 1 ·
How Can I Factorize the Equation x^3-7x^2+14x-8=0?
- mathmaniac1
- · Replies 22 ·
Introductory Algebra Percentage Word Problem
- Larry2527
- · Replies 2 ·
How many marbles are in a jar?
- Max CR
- · Replies 1 ·
High School Is math truly a universal language?
- huginn
- · Replies 2 ·
Converting Decimal to Hexadecimal for Compass Corrections
- Dbugger2020
- · Replies 1 ·
Undergrad How to visualize the maths behind a formula?
- ward0
- · Replies 7 ·
Undergrad Nested expressions as compositions of functions?
- Stephen Tashi
- · Replies 3 ·
Adding in Base 20: 1HE1C +JDF0 = 2H7GC
- karush
- · Replies 4 ·
High School The Mathematician Who Never Was
- jedishrfu
- · Replies 2 ·
Undergrad Why don't we emphasize the beauty of math much more than we do?
- Adesh
- · Replies 16 ·
Digit sum rule for the divisibility by 9
- mathmari
- · Replies 2 ·
Calculating Total Cost with Variable n: C = 7500 + 8n
- Guic
- · Replies 1 ·
High School Understanding Horner's Method: A Brief Explanation for Confusion
- John3509
- · Replies 7 ·
Number Theory Images for Elementary Course
- matqkks
- · Replies 1 ·
Undergrad Can I Use a Natural Log Function for Least Square Fitting?
- JoJoQuinoa
- · Replies 4 ·
Undergrad [ASK] Mathematical Induction: Prove 7^n-2^n is divisible by 5.
- Monoxdifly
- · Replies 5 ·
High School Number Theory Image: Hooks for Elementary Courses
- matqkks
- · Replies 4 ·
Help with factoring trinomials
- bkelly2442
- · Replies 15 ·
Partial fraction problem (x^2)/[(x-2)(x+3)(x-1)]
- mathlearn
- · Replies 4 ·
How do i factorize x^3 -5x^2+8x-4?
- theakdad
- · Replies 12 ·
Is a Number Divisible by 15 and 18 Also Divisible by 27?
- Yankel
- · Replies 2 ·
Undergrad Is There a Way to Override Reserved Symbols in Webpage Code?
- Anonymous_
- · Replies 13 ·
[ASK} Prove (cos2x+cos2y)/(sin2x−sin2y)=1/tan(x−y)
- Monoxdifly
- · Replies 2 ·
Undergrad Why a is not equal to zero in this pair of straight line equations?
- rajeshmarndi
- · Replies 2 ·
High School Parabola vs Hyperbola, why does a Hyperbola have two foci/curves?
- am4th
- · Replies 3 ·
What is the area of Angular Land below sea level?
- ghostfirefox
- · Replies 6 ·
Undergrad A matter of style? Algebra, Arithmetic, Variables
- symbolipoint
- · Replies 6 ·
Calculate the length of the fourth side edge.
- ghostfirefox
- · Replies 3 ·
Photo Contest - Obtuse Angle (11/16-11/22)
- ZapperZ
- · Replies 14 ·
Find Length of Side in Right Triangle w/ 45°, 90°, and 45° Angle
- Monoxdifly
- · Replies 2 ·
Undergrad Two Dimensional Coordinate Plane with Distance as Third Dimension
- crastinus
- · Replies 3 ·
Undergrad Is dealing with large numbers as formula a thing? and how is it done?
- AtlasSniperma
- · Replies 3 ·
What is the Unexpected Discovery in Basic Math?
- Greg
- · Replies 3 ·
Undergrad What's the formula? - eigenvectors from eigenvalues
- Stephen Tashi
- · Replies 3 ·
Golden section and yin-yang symbol proportions
- tongtu
- · Replies 2 ·
Undergrad Classify the isomorphism of a graph
- fiksx
- · Replies 3 ·
Analytic geometry proof with triangle.
- ghostfirefox
- · Replies 3 ·
Insights SOHCAHTOA: Seemingly Simple, Conceivably Complex
- kuruman
- · Replies 9 ·
Undergrad Odd/even functions and fractional indices
- dyn
- · Replies 28 ·
Undergrad Proof of mathematical theorems
- kent davidge
- · Replies 8 ·
Graduate When Calculators lie will anyone notice?
- jedishrfu
- · Replies 33 ·
-gre.ge.3 Circles Find the shaded area as a fraction
- karush
- · Replies 8 ·
[ASK] Addition of Fractions: 1/3+1/6+1/10+1/15+1/21+....+1/231
- Monoxdifly
- · Replies 3 ·
Proving Inequality: $\frac{1}{ab+bc+ca}\geq\frac{27}{2(a+b+c)^2}$
- solakis1
- · Replies 7 ·
High School What is the role of Thales' Theorem in the proof of Brahmagupta's Theorem?
- aheight
- · Replies 2 ·
Undergrad Can Math Be Fully Translated and Solved Through Conversation Alone?
- frankin garcia
- · Replies 11 ·
High School Geometry puzzles: Math with Bad Drawings
- Keith_McClary
- · Replies 2 ·
[ASK] Minimum Dimension of a Map
- Monoxdifly
- · Replies 2 ·
Graduate Can this proposition be proved in the Collatz conjecture?
- intervoxel
- · Replies 9 ·
High School Decomposition of a function into even and odd parts
- PainterGuy
- · Replies 28 ·
Multiple Transformations of Functions
- saucybadimo
- · Replies 1 ·
Any book/resource/compilation of mathematical and physics notation?
- lightlightsup
- · Replies 2 ·
High School How to calculate time with delta-v and velocity?
- alberto91
- · Replies 6 ·
Undergrad Simple notation question O(2pi)
- s00mb
- · Replies 3 ·
Undergrad A Snippet of History: Application of Ptolemy's Theorem
- neilparker62
- · Replies 3 ·
Height/diameter relationship of 19 (H8/D8=19)
- nelg
- · Replies 2 ·
Undergrad Proving Zero is Positive or Negative
- Dacu
- · Replies 23 ·