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

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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 Octahedron in Cube: Proving the Possibility
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MHB Find the maximum and minimum of an expression
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Undergrad Expressing recursive sequences explicitly
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MHB Solving Equations with High-Power Terms
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MHB Why Must One Leg of a Primitive Pythagorean Triple Be a Multiple of 3?
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MHB Finding the Greatest EVEN Factor of X: Solving the GCD of m,n=2
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MHB Find the Sides of Triangle DEF: A Challenge!
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Undergrad Why are circles infinitely smooth if they have degrees?
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Graduate Can Infinity Be Measured Through Geometric Concepts?
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Graduate Writing [itex]x^3[/itex] in Legendre base
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MHB Proving Identity: Tan(Tan⁻¹(x) + Tan⁻¹(y))
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High School Is There a Trick to Remembering the Trigonometric Functions?
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Undergrad Best way to solve a system of complex equations?
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MHB So the exact value of Cos(-pi/3) is 1/2.
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Undergrad Trigonometry: Analyzing and Graphing a Cosine Function
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MHB Evaluate $\frac{z-y}{z-x}$ for $x,\,y,\,z$ Real Numbers
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MHB Prove the product is less than or equal to 1
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MHB Equations for Lagrange-Laguerre mesh
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Undergrad Find D: [(A - D)^P] / [(B - D)^R] = (C - D)^(P - R)
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High School Cool ways to use the Pythagorean Theorem
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MHB Solving for $a\times b \times c$: Equations (1), (2), and (3)
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MHB Solving for $x+y$ in $\triangle ABC$
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Graduate How does ifft(fft(x)) form the correct bijection with domain?
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High School Is a Ton of Styrofoam the Same Weight as a Ton of Steel?
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MHB Find the Sum of k when $k\in N$ and $\sqrt {k^2+48k} \in N$
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High School Easiest way to learn exact values for trig functions?
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Graduate One conjecture stronger than another?
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Graduate Predict Digits of Irrational Numbers with Modular Arithmetic Summation?
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Undergrad Modulo Notation: Is There a More Efficient Way to Represent Modular Functions?
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Graduate Optimizing Across Noisy Domain
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High School Graph something freehand, then it gives the function...how?
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Graduate Prime Numbers Between Two Quadratics: A Useful Result?
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High School How to Memorize Even and Odd Functions?
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Undergrad Is Infinity the Identity Element in Some Operations?
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High School How do we write mathematical symbols on whatsapp or google
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High School Dumb Question: Why Do You Add Exponents When Multiplying?
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MHB Prove Inequality for $x,y,z$ Positive Real Numbers
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MHB Find the positive integer solutions
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MHB Prove $\prod_{k=1}^{2015} (1+\frac{1}{(2k+1)^3})< \frac{\sqrt{5}}{2}$
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MHB Interval Notation of Inequality: -9<1/x<=1
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Graduate Is there a formula for generating prime numbers and proving their primality?
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MHB Inscribed circle in the triangle
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Graduate How Does MIT's New Algorithm Revolutionize Optimization Speeds?
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Undergrad "Crow Flies Distance" On a Rectangular Grid -- Definition?
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MHB What is x in Trig Problem with given constraints?
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High School What does function mean in mathematics?
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Undergrad 185 stored as a signed 8-bit number?
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Undergrad Solve Trig Equation with 2 & -Π/6 Inside Brackets
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High School I want to do math and physics but my math skills are poor
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Undergrad Finding the number of solutions to a given function/equation
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MHB Factoring Polynomial Equations
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Undergrad How to change the modulus of congruence
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Three greatest mathematicians ever?
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MHB Find $\angle BPC$ in Triangle ABC with $\angle ACB=\angle ABC=80^\circ$
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Undergrad Where does this equation for an ellipse come from?
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Undergrad Need verification of an equation
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Undergrad Finding the Sum of an Alternating Geometric Sequence
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Undergrad Factoring Polynomials of Any Degree: Can Complex Numbers Help?
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Undergrad Understanding Homogeneous Equations in Coordinate Geometry
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Graduate A link from complex number to hypercomplex numbers
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MHB Equation with logarithm in power
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Graduate 10-adic number proof: A^10 has the same n+1 last digits as 1
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High School Algebra help isolating a variable
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MHB Max of $st+tu+uv$ given $s,t,u,v$ sum 63
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Graduate Help in proving this inequality
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To be a great mathematician/physicist, must one start young?
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High School Question About Unit Circle (CircularFunction) of a Trig Func
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Undergrad Is there any indication the Egyptians understood coprimes ?
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Undergrad Is It Possible to Solve an Equation with Two Unknowns?
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Undergrad Why is 1/3 considered a number line point when .333.... isn't
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High School Math Rules: Learn Essential Math Principles Easily
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MHB Solve for integer solutions
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Graduate Can B-splines cause oscillations in second derivatives?
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Graduate Understanding the Finite Value of ##\zeta(-1)##
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High School What Are Real Roots in Mathematics?
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MHB Can You Prove This Trigonometric Inequality?
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High School Understanding Quadratic Inequality: Explained in Detail
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MHB Trig Assistance for CNC Machining/Engineering
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Insights Proofs in Mathematics - Comments
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Undergrad Inverse Functions: Evaluating a Question on Compositions
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Undergrad Power of discrete sinusoidal signal?
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Undergrad How Does cos(θ)sin(θ+φ)-sinθcos(θ+φ) Simplify to sinφ?
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MHB Factoring Problem: Converting [-s(s-(s-1)-2s+n(n+1)] to (n-s)(n+s+1)
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MHB Calculating angles for a physical regular icosahedron
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High School Help Me Comprehend This.... (change of units)
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Undergrad Defining a function (Discrete Math)
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MHB Solving Inequality Problem: Proving Radical Expressions with Cube Roots
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Undergrad Summation sign for composition
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Graduate Can a cubic polynomial be solved without arccos?
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Undergrad I with multiplying rational exponents
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MHB Finding an unknown 3-digit number
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MHB Composition of Transformations
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MHB Solving Quadratic Equations: m^4+4m^3+8m^2+8m+4=0
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MHB Trigonometric Identities Problem
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Undergrad Solve Word Problem: Average # Lunar Months/Year for Tegummans
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High School How to Plot Number Lines with Software
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MHB How to Find Cosine from Secant Using Trig Identities?
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MHB Where Can I Find a Math Search Engine or Equation Identification Tool?
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High School Why Is the Slope Between Perpendicular Lines -1, But Not for the X and Y Axes?
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High School Why do we use division when we use per something?
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