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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High School Where did the missing dollar go in the bellhop problem?
- ProfessorLogical
- · Replies 4 ·
Graduate Subforum for quantitative and mathematical economics?
- S.G. Janssens
- · Replies 19 ·
Undergrad Are calculus and number theory in different fields of math?
- Ehden
- · Replies 52 ·
High School How to find large modulus on Casio fx-991 MS
- anes
- · Replies 7 ·
Undergrad Convert 2 variables into 1 representative variable
- 1plus1is10
- · Replies 5 ·
Bert and Ernie running in opposite directions around a polygon
- aileenmarymolon
- · Replies 5 ·
Finding nonnegative integer pairs satisfying (m-n)²(n²-m) = 4m²n
- lfdahl
- · Replies 6 ·
Find the exact value of each of the remaining trigonometric functions of theta
- adrianaiha
- · Replies 1 ·
High School Can the domain of log(x²) be all real numbers?
- rashida564
- · Replies 11 ·
What is the minimum value of this summation with given constraints?
- lfdahl
- · Replies 2 ·
Undergrad Solve Algebraic Equation: ax^(n-1) - x + 1 - a = 0
- Wuberdall
- · Replies 2 ·
Undergrad Can math professors create harder problems than textbook problems?
- flamengo
- · Replies 6 ·
How can we measure the diameter of a hollow sphere with a compass and ruler?
- jmprada
- · Replies 1 ·
Solve Algebra Question Easily: 34
- Ilikebugs
- · Replies 1 ·
Is this theory regarding the graph and the square root valid?
- mathlearn
- · Replies 1 ·
Finding √3 using a graph of x² - 2x - 3 and a straight line
- mathlearn
- · Replies 7 ·
Undergrad Proving that a solution to a recurrence relation is true
- Mr Davis 97
- · Replies 3 ·
Arithmetic progression: finding questions answered before wrong answer
- mathlearn
- · Replies 2 ·
Calculate Brick Velocity & Draw Displacement-Time Graph
- mathlearn
- · Replies 11 ·
Finding velocity from displacement-time graphs
- mathlearn
- · Replies 1 ·
High School Can parabolas y=x²-1 and y=1-x² be converted to polar form?
- Bendelson
- · Replies 3 ·
High School Dividing an equation by a variable
- Kajan thana
- · Replies 18 ·
High School Is infinity a prime number?
- CaptainJonathanNorth
- · Replies 19 ·
What is the Greek Notation in Tangent Transformations?
- karush
- · Replies 2 ·
Weight difference when Mr. Denis and Mr. Joppy exchange goats to equalize average
- Monoxdifly
- · Replies 10 ·
Find the amount of moles of carbon dioxide produced during the reaction
- mathlearn
- · Replies 2 ·
How Do You Solve This Cartesian Geometry Problem?
- abrk
- · Replies 5 ·
Who is better at Math, a physicist or a mathematician?
- timpani
- · Replies 4 ·
Undergrad Finding an Approachable Solution for x of ex = 1/x
- emueyes
- · Replies 3 ·
Undergrad Why does a poll of polls have no margin of error if individual polls do?
- jobyts
- · Replies 21 ·
High School Weird Tangent Property - Is It Coincidence?
- Andreas C
- · Replies 11 ·
Finding Q(x) such that P(x)Q(x) is a polynomial in x³
- kaliprasad
- · Replies 11 ·
High School What's wrong with this proof of sin(i)=0?
- Prem1998
- · Replies 5 ·
Undergrad Intuition for Euler's identity
- Prem1998
- · Replies 1 ·
Number Theory for Electronic Signal Frequency Synthesis
- Garan
- · Replies 5 ·
How to Prove the Inequality for a, b, and c in the Range of 0 to 1?
- lfdahl
- · Replies 5 ·
Transporting 500^32 Apples to 6 Cities: How Many Remain?
- Albert1
- · Replies 1 ·
Undergrad Two questions about general math
- flamengo
- · Replies 3 ·
Finding a and b from roots of (x+a)(x-b)=0
- mathlearn
- · Replies 3 ·
Geometry proof Mid point theorem
- mathlearn
- · Replies 9 ·
Equations that result in quadratics in some trigonometric function
- Simon green
- · Replies 2 ·
High School Question on setting an equation
- Clara Chung
- · Replies 10 ·
Undergrad Why Is There No Simple Formula for the Sum of a Harmonic Progression?
- parshyaa
- · Replies 9 ·
Length of $\overline{CE}$ in Square $ABCD$ with $45^o$ Angle
- Albert1
- · Replies 1 ·
Undergrad Learning trigonometric identities beyond memorization
- Daveyzombie
- · Replies 4 ·
High School Why is i^2 equal to negative one and not positive one?
- srfriggen
- · Replies 7 ·
Undergrad Is angle a vector or a scalar quantity?
- Yatin
- · Replies 2 ·
Undergrad Where do mathematical inequalities come from?
- Terrell
- · Replies 4 ·
Undergrad Circular Reasoning and Impossible Equation
- e2m2a
- · Replies 6 ·
What is the Correct Value of n in this Given Ratio?
- Albert1
- · Replies 3 ·
What's the most beautiful theory in physics or math?
- arpon
- · Replies 6 ·
Prove that pk = 111...1 for some k when p > 5 is prime
- lfdahl
- · Replies 3 ·
Solving for X When it Appears Twice
- Dowarner
- · Replies 1 ·
High School Using mathematics in administration
- KOUSIK
- · Replies 4 ·
Graduate Least-squares - fitting an inverse function
- kandelabr
- · Replies 19 ·
Graduate Deriving Faxen's 2nd law for viscous torque on a sphere
- RobosaurusRex
- · Replies 1 ·
Solve Scale Factor Problem: 'ET Pizza' Pizzas
- tantrik
- · Replies 2 ·
Graduate Optimizing particle path with piecewise linear and circular curves
- jumbo1985
- · Replies 2 ·
Trigonometric inequality with pi
- karseme
- · Replies 4 ·
Find unknown angles of a triangle
- tantrik
- · Replies 6 ·
Find all integers n where {1,2,...,n} partitions into three equal-sum subsets
- lfdahl
- · Replies 5 ·
How Do You Convert Temperatures and Solve Inverse Functions?
- charlottecain
- · Replies 1 ·
Undergrad Asymptotics for finding the successors in a Binary Tree
- mooncrater
- · Replies 3 ·
Undergrad Finance - Find Monthly Payments (two methods)
- jgiannis
- · Replies 2 ·
Show that triangle ABX is 1/4 the area of parallelogram ABCD
- mathlearn
- · Replies 5 ·
Find the total numbers to make A=21
- Albert1
- · Replies 1 ·
What are the solutions if h+k=2016 and the roots of x^2+hx+k=0 are integers?
- Albert1
- · Replies 1 ·
Using trigonometry to prove <c=50 degree
- Albert1
- · Replies 1 ·
Is $a$ an Integer and What is its Modulo 5 Value?
- lfdahl
- · Replies 10 ·
Undergrad How can I prove this from Roger Penrose's Road to Reality?
- Etienne
- · Replies 4 ·
High School Why does dividing by a fraction become multiplication?
- eddie159
- · Replies 7 ·
Why is $p_i + \frac{k}{p_i}$ divisible by $3$ and $8$?
- lfdahl
- · Replies 4 ·
How many people need to be added to complete the project in 5 days?
- Monoxdifly
- · Replies 7 ·
High School What do Sine, Cosine and Tangent do?
- Liam C
- · Replies 4 ·
Deriving the optimality condition αN = (1-α)wN/Y from marginal product
- Ginnee
- · Replies 1 ·
High School What is the error in this proof attempting to show 0/0 = 2?
- Priyadarshini
- · Replies 19 ·
Proving angles are equal in a triangle in a circle.
- markosheehan
- · Replies 4 ·
Undergrad An identity of hyperbolic functions
- Karol
- · Replies 7 ·
High School Measurements of angles in circular method
- parshyaa
- · Replies 3 ·
High School Can modular arithmetic help us find remainders and unit digits?
- donaldparida
- · Replies 1 ·
Why does 1/2*2x*x-2 give different answers?
- mathlearn
- · Replies 1 ·
Trending peace -- interactive tool
- houlahound
- · Replies 2 ·
Simplifying 2a/(a²-4) - 1/(a-2)
- mathlearn
- · Replies 7 ·
Can a Number Have Over 2017 Divisors Within a Specific Range?
- anre
- · Replies 1 ·
Undergrad Would you be able to add to this list of known objects
- Logical Dog
- · Replies 5 ·
Difference in expansion of brackets
- mathlearn
- · Replies 1 ·
Counting Integers of a Specific Form
- lfdahl
- · Replies 7 ·
Undergrad When is spherical trigonometry introduced and how does it apply to physics?
- parshyaa
- · Replies 2 ·
Undergrad Engineering Economics: Converting a NFW to an AEW (future worth)
- garr6120
- · Replies 4 ·
High School Why does SQRT((-3)^2) equal 3 instead of -3?
- DMBdyn
- · Replies 11 ·
High School Is the volume of an exemplary cone equal to 4/3(pi)?
- 5P@N
- · Replies 6 ·
Graduate Do you know about operational equations?
- Schimmel
- · Replies 5 ·
Simultaneous equations number problem
- mathlearn
- · Replies 1 ·
Find the value in terms of p and q
- mathlearn
- · Replies 5 ·
Undergrad Different solutions to 7x+4y=100 using Diophantine equations
- Ling Min Hao
- · Replies 6 ·
How to find equation from given data?
- tantrik
- · Replies 2 ·
Proving the Angle-Angle-Side Theorem
- pholee95
- · Replies 1 ·
What is the value of x in this equation?
- Albert1
- · Replies 1 ·
Undergrad Problem with recursive sequence, sum and divisibility
- VMP
- · Replies 17 ·
Draw a venn diagram and include the given information
- mathlearn
- · Replies 5 ·