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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.

Math Proof Training and Practice

A gap in resources that should help students visualise mathematics

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Math Problem of the Week

Undergrad Sum of an Alternating Series
Undergrad This is the question that we will explore in this webpage.
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Undergrad Unit vector of a line in straight line equation
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MHB Reviewing Phasors: When to Add +/- 180 in $\tan^{-1}$?
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Graduate What makes these initial functions so special?
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MHB Calculating Amount Financed with Dealer Fee and Down Payment
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MHB Prove: $\sin P+\sin Q> \cos P+\cos Q +\cos R$ | Trig Challenge
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MHB Prove $40ac<1$ Given $a, b, c$ Real Positive Numbers
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Undergrad Why is the squared meters negative?
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Graduate What is the problem with the argument for the diagonal length of a square?
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High School Understanding Lower Level Math
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MHB Calculating Your Average Tax Refund: Tips for Filing Your Taxes in 2021
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MHB Euler-pi Discovery: AMS News Item #3
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MHB Find the Optimal Starting Time for a Tied Race in Physics Kinematics
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Graduate Square of x , added to one is not equal to n
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Undergrad Minimal Triplet: Definition and Calculation
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High School Solving an irrational equation
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High School Understanding Surface Area: Foldings, Invaginations, Roughness & Powder
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Undergrad Euler and the youth of mathematicians
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MHB An intriguing system of equation
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Graduate Most general order-preserving function
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High School Simple Pythagorean Theorem Proof Explored
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Undergrad Finding inverses in modular arithmetic
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MHB Solve a Circle - Jose Needs Help!
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Undergrad Between -180 and 180 degrees (convert a larger angle)
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Graduate Can the Intersection of Two Lines Prove the Existence of a Plane?
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Undergrad Where on Earth (75% of the time in the dark)
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High School How old is i? (Imaginary number)
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MHB Prove Inequality for $0<x<\dfrac{\pi}{2}$: Math Challenge
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MHB Finding this recurrence relation for stuck-together right-angle triangles
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Colbert Interview with mathematician Edward Frenkel
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High School How can you measure 4 litres with two buckets and a tap?
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MHB Prove $|P(a)-P(b)|<\dfrac{1}{2}$ for Algebra Challenge Function $P$
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High School Teacher told to set absolute value inequality to equal 0
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Undergrad Binomial Theorem: 11 Terms Explained
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MHB Find Point in R2: $a(-5,2),b(12,9)$
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Undergrad A picture, a plane and the flat terrain. Please explain.
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Graduate Angle/Coordinate Calculation for two "Pulley" System
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Undergrad X = p * y. Find x, y when both are as close to 1 as possible
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Undergrad How Many Lines Do I Need to Draw to Maximize the Internal Surface of a Cylinder?
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Undergrad Solve Inequality x+3^x<4 | Logical & Analytic Ways
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Graduate Irrational numbers and Planck's constant
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Printing 1 Million Digits of Pi: 1 Mile of Paper!
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MHB What Time Do the Bus and Truck Meet?
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MHB How Does Angular Velocity Affect a Block on a Rotating Wedge?
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Will You Celebrate the Ultimate Pi Moment Tomorrow?
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MHB Can the Inequality $x,y,z>1$ be Proven with a Hint of 48?
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MHB What Time Does Bill Catch Up with Mike?
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MHB Calculating the Payout Ratio: How Investors Value Alibaba's IPO
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Undergrad Is profit/loss% always wrt price
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Undergrad Do Complex Objects Have Equations?
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Undergrad How do I represent this sine function?
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Undergrad How are Equations for Different Series Generated?
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Undergrad Do you translate mathematics or understand it natively?
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MHB Find closed form expression for a given sum
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MHB How Do I Identify the Net of a Cube?
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Graduate Finite solutions of Brocard’s problem
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MHB Solve Trigonometric Sum: Find S Value
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Undergrad How Many Steps Are Visible on the Escalator When It's Shut Down?
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MHB Prove Geometry Challenge: Cyclic Quadrilateral PQRS
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High School How to tell if a triangle has two solutions?
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MHB What does this sum symbol mean?
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Undergrad Inequality X^n<Y^n if x<y and n is odd
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High School Point of contact of circle an tangent
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Undergrad What Is the Smallest Integer c for LCM(a, b, c) to Equal L?
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MHB Calculating the length of an arc inside a circle
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MHB How to Write a Quadratic Equation Given Its Roots?
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Graduate Proving ∑mk=1k2=1/6(323+3m2+m) by Induction
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High School Distance Function without Weighing Current Rules of Mathematics
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Graduate Proving ζ(-1)=-1/12 for Mathematicians
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MHB Proving Orthocenter Property of Triangle ABC
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Graduate Why are Ramanujan sums the same as the complex Zeta values?
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MHB This is the formula for finding the area of a circle, where r is the radius.
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Graduate Prime Numbers as Ortho-normal basis for all numbers
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High School Does the human calculator stuff really work?
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MHB Solving $x^3+y^3+z^3=(x+y+z)^2$ with Positive Integers
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High School Can We Change the Origin in the xy Plane?
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MHB Area Problem - Find the Answer | Susanto
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Undergrad What does the 'h' in the hyperbola equation mean?
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High School Final answer must be a whole number.
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Undergrad Does every curve have a function?
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MHB Find Sum of 4 Different Natural Numbers with $(7-m)(7-n)(7-p)(7-q)=4$
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High School X > 0, but why doesn't 1/x > 0?
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High School Finding a part of an angle with two triangles
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MHB Proving $2^{\frac{1}{2}+\frac{1}{3}+\dots+\frac{1}{n}}<n$ for All $n\ge 2$
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MHB Op-Amps Circuits: Explaining Prof's Method
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MHB Smallest Number in Set A and Proving It Is Not the Only Member
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Undergrad Help with distance running formula
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Graduate Simple Riemann zeta function algebra help
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MHB P is the sum of 2 consecutive squares
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MHB Sum of Two Squares: Can $5^{64}-3^{64}$ Be Written?
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MHB Solving the Equation $2(2^a-1)a^2+2=2^{a+1}-(2^{a^2}-2)a$
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MHB Can $k+S(k)=1,000,000$ have a solution?
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MHB Solve Trigonometry Challenge: $\cos^k x-\sin^k x=1$
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Undergrad Proving "-1 = 1" Wrong: Ideas?
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High School Solving Inequality: -∞ < a < -3 ∨ -1 < a < ∞
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MHB Find Area of A Rectangle With Shortcut
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Top 1n e^10 reasons e is better than pi
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Undergrad Can Teaching Improve Your Learning Skill?
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MHB How to Calculate Sold Out Item
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MHB Find the solution of the equation system
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