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 A proof based on divergent series
- mhill
- · Replies 1 ·
Undergrad What Does 'Closed Under Addition' Mean in Mathematics?
- garyljc
- · Replies 1 ·
High School Why is there a discrepancy in energy calculations using E=mc²?
- matttan
- · Replies 2 ·
High School Can You Crack These Challenging Number Puzzles?
- wonderful
- · Replies 25 ·
High School Are these all the algebra topics I need to know before starting calculus?
- Raizy
- · Replies 2 ·
Graduate Stirling Number of the First Kind
- e(ho0n3
- · Replies 2 ·
High School Is 7 the Next Number in This Sequence?
- Caracrist
- · Replies 2 ·
Undergrad What Do Trigonometric Identities Really Mean and How Do You Interpret Them?
- adeserre
- · Replies 14 ·
High School Question -Substiution ALWAYS imagining invisible brackets in your head?
- PhysicsHelp12
- · Replies 1 ·
High School What Is the Next Number in the Sequence 10, 10, 11, 12, 15, 16, 21?
- leopard
- · Replies 3 ·
High School What Is the Next Number in This Mathematical Sequence?
- cjbreen
- · Replies 9 ·
High School Can You Master Calculus in Just 20 Minutes?
- Daniel Y.
- · Replies 21 ·
Undergrad Calculating Euler phi function
- paton51
- · Replies 3 ·
Undergrad Dual-Output Function: Solutions for Non-Negative Integer x?
- scikidus
- · Replies 10 ·
Graduate Getting started with Clifford Algebra
- Winzer
- · Replies 4 ·
Undergrad Are Contest Math and Research Mathematics Really That Different?
- arachnotron
- · Replies 7 ·
High School Solving a Cubic Equation: Finding x
- NoobixCube
- · Replies 2 ·
High School Volume of a 0.200m Sided Square
- Mattofix
- · Replies 4 ·
Undergrad How to graph 5 or more variables at once?
- Munfred
- · Replies 3 ·
Undergrad GCD of Polynomials: Is 1 Always the Solution?
- tgt
- · Replies 4 ·
High School Simple Geometry or Trig Question
- chanson
- · Replies 3 ·
Graduate Ergodicity of typical billiards
- deathprog23
- · Replies 1 ·
Graduate Recursively enumerable language with infinite alphabet
- Dragonfall
- · Replies 10 ·
Undergrad Can this polynomial with integer coefficients be factored?
- sutupidmath
- · Replies 5 ·
Undergrad Some Summed Digits In A 9-Digit Positive Integer
- K Sengupta
- · Replies 2 ·
Graduate Nxn rubik's cube - how many orientations?
- DyslexicHobo
- · Replies 3 ·
Undergrad Sum the squares cryptarithmetically, get square
- K Sengupta
- · Replies 5 ·
Undergrad For integer x only, is x considered a polynomial?
- tgt
- · Replies 6 ·
High School How to calculate reverse of Mean.
- AsifJavaid
- · Replies 1 ·
High School How Do You Connect 9 Dots with 4 Lines?
- Rahmuss
- · Replies 26 ·
High School How can you multiply two negative numbers?
- Dark Fire
- · Replies 69 ·
Undergrad Normal Form for Polynomial Formulas
- dodo
- · Replies 4 ·
High School What was the most fascinating thing you learned in Math?
- Wellesley
- · Replies 1 ·
Graduate Undefined Values: Is 1/z = 0 When R = 0?
- Gear300
- · Replies 11 ·
A video lecture and tutorials collection site.
- zyh
- · Replies 4 ·
Undergrad What is the minimum value of N in this cryptarithmetic equation?
- K Sengupta
- · Replies 4 ·
Undergrad The Lamplighter's Manor: Light All 9 Rooms
- Werg22
- · Replies 16 ·
High School Symbols Used by Mathematicians - What is a Vertical Bar with an Arrow?
- db1uover
- · Replies 8 ·
Graduate Show Proving Convexity of f(x)=||x|| Function
- ahamdiheme
- · Replies 2 ·
High School Question and help appreciated(no homework)
- pamba
- · Replies 1 ·
High School How can you easily add the numbers from 1 to 100?
- _Mayday_
- · Replies 34 ·
Undergrad Bezier curves and equally distributed parametric points (easy ?)
- Nikarasu M
- · Replies 2 ·
High School Brain Teaser that is impossibly solvable
- kinnabird5
- · Replies 78 ·
Undergrad What Are the Odds of Meeting Someone With the Exact Same Family Birthdates?
- kennyny11720
- · Replies 3 ·
Graduate Can Freecell Algorithms Solve the P vs NP Problem?
- lax1113
- · Replies 15 ·
Undergrad Rotate a graph by a given number of radians?
- soandos
- · Replies 5 ·
Undergrad Determining & Proving Inverse Functions: Methodology?
- jgens
- · Replies 3 ·
Graduate Understanding the math of relativity?
- Skynt
- · Replies 1 ·
Undergrad How difficult does this course description sound to you
- subopolois
- · Replies 1 ·
British Mensa IQ test upper limit
- Jonathan Scott
- · Replies 40 ·
Undergrad Is this result by coincidence or by implication?
- uart
- · Replies 5 ·
High School Understanding Negative Scalars in Physics
- korters
- · Replies 6 ·
Undergrad Finding a function to convert arbitrary input to output
- Twinbee
- · Replies 4 ·
Undergrad Backing Out Sales Tax from Gross Total - Auditor Question
- Joanie824
- · Replies 1 ·
Undergrad Weird Question about Majoring in Math
- PhysicsHelp12
- · Replies 4 ·
Graduate Nicest/most beautiful area/field in maths
- tgt
- · Replies 18 ·
High School Algebra Not So Fundamental? Study of Functions & Sets More So
- tgt
- · Replies 2 ·
Graduate Why is Euler's Formula Unobvious?
- Pjpic
- · Replies 11 ·
Undergrad The Princeton Guide to Mathematics
- imranq
- · Replies 2 ·
Undergrad What cometh next in the sequence?
- youngoldman
- · Replies 3 ·
Undergrad Conic sections - quadratic curve
- Nick R
- · Replies 4 ·
Undergrad Representing a 4th dimention on paper
- JPC
- · Replies 8 ·
Undergrad How can the Polynomial Remainder Theorem be applied in real-life situations?
- MadmanMurray
- · Replies 4 ·
High School What is logarithm how that table is made?
- arjunkr
- · Replies 4 ·
Undergrad Can Ln and Logarithmic Expressions Be Further Simplified?
- skelitor413
- · Replies 3 ·
Graduate Infinite product, arranging of terms
- Ookke
- · Replies 4 ·
Graduate Abstract Math: Beyond Category Theory
- tgt
- · Replies 4 ·
Undergrad What is the name of this principle?
- natski
- · Replies 20 ·
Stephen Hawking to Retire as Cambridge Maths Professor
- fourier jr
- · Replies 12 ·
High School Understanding Maths Methods: A Comprehensive Overview
- physics2
- · Replies 9 ·
Undergrad Solving Nested Radicals - Find the Value of $\sqrt{3}$
- imranq
- · Replies 9 ·
High School Fibonacci series and golden ratio
- alexk307
- · Replies 2 ·
Graduate Name for a function preserved over a relation
- Tac-Tics
- · Replies 2 ·
High School How can I improve my problem solving speed for tests and competitions?
- maze
- · Replies 4 ·
Graduate Proving Even Cycle in Graph Theory with 3 x-y Paths
- fibi257
- · Replies 1 ·
Graduate An extended and much much more challenging version of Einstein's puzzle
- wonderful
- · Replies 17 ·
High School That's why I'm asking.Decoding Number Sequences: 17 or 27?
- exodian
- · Replies 10 ·
High School Math curriculum through middle school and Highschool
- pamba
- · Replies 4 ·
Undergrad Abuse of Notation - Cross Product
- prasannaworld
- · Replies 8 ·
High School Why is Radical i Squared Not Equal to -1?
- grad
- · Replies 7 ·
Undergrad Where to Find Introductory Books on Category Theory?
- matticus
- · Replies 1 ·
High School Converting latitude/longitude to Cartesian coords?
- kronchev
- · Replies 9 ·
Graduate (4-digit number)*(6-digit number) equals a factorial
- K Sengupta
- · Replies 1 ·
High School Triangle Congruence: Side-Side-Angle Explained
- ibc
- · Replies 1 ·
High School Deriving the Quadratic Equation Solution: A Closer Look at Completing the Square
- ibc
- · Replies 8 ·
Undergrad What topics should I focus on for self-studying mathematics?
- naele
- · Replies 6 ·
Undergrad Pirates Dividing Loot Question- NEW
- BR24
- · Replies 7 ·
Undergrad Alternative to Euclid's Concept of Straight Line
- pjunky
- · Replies 4 ·
Graduate Convolution Theory Explained | Physics PhD Student Gareth
- Something els
- · Replies 1 ·
Areas of maths thats hand wavy?
- tgt
- · Replies 2 ·
Graduate Euler's Formula of Inverse Trig Functions
- Tac-Tics
- · Replies 3 ·
Undergrad Steering Wheel Radius - 2 Wheels
- 2know
- · Replies 1 ·
Undergrad Finding the recurrence from an algorithm
- Gear2d
- · Replies 1 ·
Undergrad Sinh(x) * sin(x) and sinh(x) * cos(x)
- flufypancakes
- · Replies 2 ·
High School Anyone know how we can improve our mental math skills?
- imranq
- · Replies 12 ·
High School What is the name to refer to the width of one graphic function
- lanz
- · Replies 6 ·
High School Is there a formula to find a combination of numbers
- cubanopro
- · Replies 2 ·
Graduate Mathematical notation outdated?
- Gerenuk
- · Replies 7 ·
High School Why is the Area of a Triangle Always 1/2 Base Times Height?
- anantchowdhary
- · Replies 21 ·
High School Domain and range in ovals-what's this called?
- DyslexicHobo
- · Replies 4 ·