General Math Forum

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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
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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MHB Prove (a²+b²+6)/(ab) is a perfect cube
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MHB Is the Absolute Value Inequality $|4x-5|-|3x+1|+|5-x|+|1+x|=0.99 Solvable?
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Graduate 4 parameter logistic model for fitting PCR data
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Is StemWiki Hyperlibrary the Ultimate Resource for Math and Science?
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MHB Find Area Problem in Multiple Choice Question
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Graduate Double sum of same variable simplification help
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Undergrad What is the significance of googolplex in mathematics and science?
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MHB Looking Answer About Area of Circle.
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MHB Prove that x²+y²+z² isn't prime
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MHB How Does Modular Arithmetic Simplify Integer Divisibility Proofs?
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MHB This is known as the Sector Area Formula.
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MHB Prove the equation has no solution in integers
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Graduate Series with binomial coefficients
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Graduate Help simplifying this using Stirlings' Formula?
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Undergrad What is the theorem with the most proofs?
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Undergrad How to calculate the angles that define the position your arm is in
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Graduate How to simplify using stirling approximation?
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High School Understanding Tangent and Cotangent
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High School Trouble understanding why two equations give the same result
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Undergrad 4Sine(4X) = -8Sin(2x) Double angle identity
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Undergrad 30FPS displayed on a 200Hz monitor
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MHB Bearing of A from B: 120 Degrees
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Undergrad How can x=tan(x)cosh2(x) be solved using trigonometry?
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MHB Modular arithmetic and factorials
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MHB Prove a given number is an odd integer
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MHB Can $k>1$ Prove This Inequality?
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MHB Solving for $k$: $k^2=x+y$ and $k^3=x^2+y^2$
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High School How do you find the area of a circle?
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High School How would you do this equation on paper 1/2 x 26 x 10
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Graduate Absolute value of exponentials being multiplied
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Graduate Prove recurrence relation via mathematical induction
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Undergrad General Formula for the Reciprocal of a Sum of Reciprocals
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MHB Is there a relationship between pi, physics, and probability?
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High School Getting worse at mental arithmetic
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Undergrad Rewrite the trigonometric expression as an algebraic equation
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Graduate Adjacent vertices in convex polygons
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MHB Proof that x=0 for Integers with Perfect Square Property
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Graduate Why does Carmichael's function mean what it does?
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High School Exponents & Mods: What You Need to Know
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Undergrad Find the pattern: 12, 44, 130, 342, 840
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Undergrad What is the Hyperoperation Hierarchy and How Does it Work?
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Graduate Universal? or Multiple Units of Measure?
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MHB Trig Challenge: Solutions to $\sin a \sin (2a) \sin (3a)$?
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Undergrad Not seeing things in physics and mathematics.
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Undergrad Looking for a insightful roadmap to learn math
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MHB Primitive Roots Modulo $p$: The $(p-1)/2$ Rule
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Undergrad Sum and difference with radians.
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Graduate How to best read Euclid's Elements
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Undergrad The Binomial Series: Extending the Validity?
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MHB Circumference and Area of A Circle
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High School Tangent zeros with a calculator?
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Undergrad Can Complex Numbers Bridge the Gap Between Algebra and Geometry?
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High School I badly with general answers to trig equations. (Using identities)
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Undergrad How to tell how many answers there are? (Trig equations)
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Undergrad Function notation and shifting functions
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MHB How to find currents and voltages with 2 batteries connected?
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MHB Variable Pi Formula: Diameter (mm) Calculation
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MHB Square Roots Calculation Tricks
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MHB Understanding Voltage and Current: How Reference Points Affect Calculated Values
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MHB Voltage Across 10, 20uF Capacitors in RC Circuit
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Undergrad What is the significance of cubic in a cubic spline?
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High School Perpendicular geometric objects
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MHB Need Sum of Formula [shortcut]
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MHB Can Every Natural Number be Expressed as a Sum of Square Roots?
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Undergrad How can I accurately model a sine wave using popsicle sticks?
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Graduate How Many Valid Orderings Avoid Neighboring Duplicates in Mappings from N to M?
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Graduate Efficiently Simplifying Nested Logarithms: A Scientist's Guide
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High School How TI-89 Calculator Rearranged Exponent Confusion - Ben
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Graduate How to express cos(theta)cos(phi) in spherical harmonics
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Undergrad Cos^2+Sin^2 = 1 even with coefficients?
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High School Length of a missing side no angle given :(
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MHB Summing Formula Problem [Again]
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MHB Fast Calculation [sum] problem
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Graduate How to simplyfy a square root term? Phonon dispersion relati
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MHB Proving $\sin\left(10^{\circ}\right)$ is Rational or Irrational
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High School Polynomial fractions simplest form?
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Graduate What Are the Mysteries of 4D Space and Hypercubes?
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High School Tan^2x =sec^2x-1 also: tan= sec -1 or am I missing something?
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MHB Applying function to entire side of equation, not just terms
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MHB Help with Quadratic Equations by completing the square
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Undergrad What are some recommended books on RNA and Graph Theory?
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MHB Therefore, the roots of the given equation are $x=-4$ and $x=2$.
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Undergrad Understanding square root of a polynomial
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Undergrad How to solve for x? (2/9)x^2 + (4/3)x > 0.5^x
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Undergrad Designing function that draws specific output
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MHB Calculate w/ Defective Calculator: Multiply w/ Add, Subtract, & Reciprocal
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Graduate Solution to a system of transcendental equations
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Undergrad Trigonometry just the conversion factor of coordinate types?
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MHB Prove (p+r)(p+s)(p+t)(p+u)=(q+r)(q+s)(q+t)(q+u)
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MHB Triangle Challenge: Prove 2.5<PQ/QR<3
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Undergrad How to approximate the rate of growth of an integer sequence?
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Undergrad Papers on Calculus of Variations
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MHB Solving for Primes and Evens: $x^n+x^{n-1}+\cdots+x+1=y^2+y+1$
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MHB Length of a side, possible triangle side
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