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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Can you solve this equation involving the sum of digits of a positive integer?
- anemone
- · Replies 1 ·
Graduate Maximize Points in n-D Space with Distance Threshold
- EvoG
- · Replies 4 ·
Graduate Finding a curve fit with format f(x)/x for experimental data
- johnpjust
- · Replies 6 ·
Real solutions to sum and power equations with 1997 variables
- anemone
- · Replies 2 ·
Divisibility of $(a+b+c)^{333}$ by $(a+b+c)^3$
- kaliprasad
- · Replies 6 ·
Finding largest prime under 300, twin primes, and divisibility
- Tru2mself
- · Replies 8 ·
How Do Angles Relate in Inclined Plane Physics?
- Dustinsfl
- · Replies 1 ·
Undergrad Formulas for Arithmetical and Geometrical Progression
- fde645
- · Replies 17 ·
High School Finding y-coordinate on an arc at a given x-distance
- tomtomtom1
- · Replies 12 ·
Solve 0.3(4^0.2x) = 0.2 for x
- Sharpy1
- · Replies 1 ·
What is the role of Euler's Totient function in Fermat's Little Theorem?
- Sudharaka
- · Replies 6 ·
Inequality with area of triangle
- Saitama
- · Replies 10 ·
Is my answer correct? (Exponential Functions)
- tardisblue
- · Replies 1 ·
Finding the Altitude at a Given Air Pressure
- tardisblue
- · Replies 2 ·
Undergrad How Do You Calculate the Height of Fluid in a Horizontal Cylinder?
- frankivalli
- · Replies 6 ·
Undergrad How to solve for x in this equation
- frankivalli
- · Replies 2 ·
How Can the Sum of Sines Be Expressed Using a Trigonometric Identity?
- anemone
- · Replies 3 ·
Undergrad What Does 'Harmonic' Mean in Math and Music?
- Jhenrique
- · Replies 1 ·
Undergrad Is There a Function That Always Results in a Positive Sign?
- Jhenrique
- · Replies 1 ·
Undergrad How Is a Hyperbola Formed from Conic Sections?
- barryj
- · Replies 3 ·
Undergrad Ideas for college math club meetings?
- emlekarc
- · Replies 2 ·
Solve x^6 + 25x^5 + 192x^4 - 7394x^3 + 48936x^2 - 113304x + 79488=0
- mente oscura
- · Replies 3 ·
Positive real solutions in cyclic system with alternating 4 and 1
- anemone
- · Replies 2 ·
Graduate Roots of multivariate polynomials
- Dragonfall
- · Replies 2 ·
How to Set Up a Linear Programming Problem in Excel?
- amenon2
- · Replies 1 ·
Undergrad What is Euler's number and why is it so important?
- derek181
- · Replies 7 ·
What is the Velocity of a Released Point Charge in Physics?
- ISITIEIW
- · Replies 2 ·
Graduate How to turn this sequence into a formula?
- pondzo
- · Replies 2 ·
Inductive Proof: Sum of Cubes of First n Natural Numbers
- MarkFL
- · Replies 1 ·
Undergrad Finding Solutions to a Cubic Equation with Multiple Roots
- Big-Daddy
- · Replies 3 ·
What are the 6 Complex Roots of this Polynomial?
- mente oscura
- · Replies 3 ·
High School Metric vs. Imperial Units in Space Exploration: What is the Standard?
- Emilie_AO
- · Replies 2 ·
Undergrad If possible, I'd like a function f(i,j)=k defined as follows
- Jamin2112
- · Replies 21 ·
Solving Equivalent Expressions Using Subtraction Method
- eleventhxhour
- · Replies 6 ·
Current Equivalence at a Circuit Node
- Dustinsfl
- · Replies 2 ·
Does PEMDAS treat implied multiplication in parentheses like explicit multiplication?
- Marvin Kalngan
- · Replies 1 ·
High School Why variables in directly proportinality are multipiled
- 22990atinesh
- · Replies 17 ·
Mechanics-Conical pendulum, circular motion
- dragonoid122
- · Replies 1 ·
My favorite type of paper to work problems on
- ElectroBurger
- · Replies 15 ·
3 consecutive terms of AP that are perfect square
- kaliprasad
- · Replies 2 ·
Factorization of an expression
- anemone
- · Replies 5 ·
High School Is there ever a time when the simplest solution won't work?
- Tyrion101
- · Replies 5 ·
Find the range of values for abc and a + b + c
- anemone
- · Replies 4 ·
Can you prove the cosine rule for three angles in a triangle?
- anemone
- · Replies 3 ·
Undergrad Film advance in reel-to-reel camera with growing dowel diameter
- Zippie
- · Replies 6 ·
Graduate Is there a general test for chirality?
- Vorde
- · Replies 7 ·
Finding $m+n+k$ Given $f(x)=x^4-29x^3+mx^2+nx+k$
- anemone
- · Replies 3 ·
What is the least value of the sum $|p-1|+|p-2|+\cdots+|p-10|$?
- anemone
- · Replies 4 ·
Finding $q$ in a Polynomial with Negative Integer Roots
- anemone
- · Replies 3 ·
High School Confused about what the standard order is?
- Tyrion101
- · Replies 18 ·
High School Problem of solving the cubic function
- Martin Zhao
- · Replies 4 ·
Applications of quadratic residues
- matqkks
- · Replies 2 ·
What is the smallest possible value of y for given x and y?
- anemone
- · Replies 5 ·
Find the number of real solution(s)
- anemone
- · Replies 2 ·
Does the equation $a^2=b^4+b^2+1$ have integer solutions?
- anemone
- · Replies 3 ·
Undergrad Solving Log10(x)^log10(log10X)=10000
- Martin Zhao
- · Replies 3 ·
High School Is x equal to the 4th root of y in the equation y=x^4?
- Jhenrique
- · Replies 5 ·
Finding Integer Solutions to $1998a+1996b+1=ab$
- anemone
- · Replies 4 ·
Undergrad Where should I post about the Black-Scholes formula?
- TSC
- · Replies 1 ·
What is the sum of all positive solutions?
- anemone
- · Replies 3 ·
How to graph Vab as a function of current(I)?
- yakin
- · Replies 2 ·
Simplifying with square roots?
- arroww
- · Replies 1 ·
Undergrad What Mathematics used to be done before Newton? (No Philosophy)
- Giant
- · Replies 16 ·
Differences between an expression and its simplified equivalent
- arroww
- · Replies 2 ·
Solve Equation V: Real X Solutions
- anemone
- · Replies 2 ·
Get Ready for the Waterloo Math Contest!
- Martin Zhao
- · Replies 1 ·
What is the proposed scale for rating mathematical acumen?
- Jagella
- · Replies 6 ·
Trigonometry and Triangle Questions
- kingsala
- · Replies 1 ·
Undergrad Is phi equal to omega t when A sin(ωt) = A sin(φ)?
- alejandrito29
- · Replies 2 ·
Graduate Why is Two Considered Prime Despite Its Complex Factors?
- pondzo
- · Replies 8 ·
What Are the Steps to Simplify Algebraic Expressions?
- eleventhxhour
- · Replies 2 ·
Find the smallest possible value of a fraction
- anemone
- · Replies 2 ·
What does a diffraction grating do and when is light a particle?
- Dustinsfl
- · Replies 1 ·
Change in parallel resistance when one resistor increases and one decreases
- eleventhxhour
- · Replies 1 ·
Determine the ratio of the base to the perimeter.
- eleventhxhour
- · Replies 2 ·
Graduate Could a Computer Solve All Mathematical Conjectures and Revolutionize Science?
- 1MileCrash
- · Replies 13 ·
Physics-Anybody explain why B is correct?
- yakin
- · Replies 6 ·
How to Plant an Herb Garden""Planting an Herb Garden
- Albert1
- · Replies 1 ·
Undergrad What Do Fc and Vc Represent in the Frequency-Wavelength Equation?
- bitencrypt
- · Replies 1 ·
Undergrad Why does the unit vector r-hat always point away from a charge?
- negation
- · Replies 20 ·
Graduate What is this called? A general solution?
- mesa
- · Replies 27 ·
Determining $a_7$ with Given Conditions
- anemone
- · Replies 1 ·
Undergrad Can a Torus Be Created with Checkerboard Quadrilateral Faces?
- Kepler_
- · Replies 1 ·
Math Struggles: My Little Bro's Story
- kingsala
- · Replies 2 ·
Undergrad Relation between inverse trigonometric function
- Jhenrique
- · Replies 11 ·
Solving (e^0.021341t)/t = 0.286 for t
- arrow1
- · Replies 4 ·
Graduate Inequalities and Rearranging equations
- cooev769
- · Replies 1 ·
How Do You Calculate the Minimal Path Sum in Coordinate Geometry?
- Albert1
- · Replies 2 ·
Find $x$ and $y$: $\sqrt {x+1}+\sqrt {y+1}=3$, $xy-x-y+15=0$
- Albert1
- · Replies 2 ·
Finding Coordinates on a circle with time/speed
- bsmithysmith
- · Replies 3 ·
Finding a radius when an angular speed in RPM is given
- bsmithysmith
- · Replies 4 ·
Finding focus, given four tangents
- Saitama
- · Replies 6 ·
Mixture Problem: Find Amount of Stronger Solution Needed
- bergausstein
- · Replies 5 ·
High School Slope of the perpendicular line on the other line
- Alg0r1thm
- · Replies 4 ·
Undergrad Struggling to solve problems in Higher Algebra by Hall & Knight
- smart_worker
- · Replies 3 ·
How Long Should Milo and Bernard Paddle Downstream to Meet Vince by 5 P.M.?
- paulmdrdo1
- · Replies 7 ·
Calculating Land Area for an Olympic Track: A Linear Equation Application
- bergausstein
- · Replies 6 ·
Application of linear equation
- bergausstein
- · Replies 6 ·
Simplify (Adding and Subtracting Rational Functions)
- eleventhxhour
- · Replies 2 ·
Polynomials and Roots: Properties and Analysis
- mente oscura
- · Replies 1 ·