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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 What's the meaning of "random" in Mathematics?
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Undergrad Vector math (small angle approximation)
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MHB Express in terms of sine function of f(x)=sinx+cosx
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Undergrad Periodic potential V(x) -- how can I show that the period is d?
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MHB Four Capacitors: What is the charge on C4
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MHB [ASK] Exponents and Roots Simplification problem
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Undergrad All partitions of 10 into size 6
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Undergrad Line count in a simple program
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MHB Question: What is the value of ⌊ 2020/(1+2+3+...+2019)⌋?
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MHB What Do These Numbers Represent?
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MHB Graph of P(x) Under |y| Transformations: a & b
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Graduate Combinatorial optimization problem
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Undergrad When is it preferable to use semi-log and log-log graphs?
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MHB Finding the impedance in rectangular and polar form
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MHB Evaluate ⌊ 1/a_1+1/a_2+....+1/a_{2008} ⌋
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Undergrad Strange Dot Product definition
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High School Do you visualize equations abstracly when doing math?
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Undergrad Statistics proof: y = k x holds for a data set
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MHB Binomial Sum \displaystyle \sum^{n}_{k=0}\binom{n+k}{k}\cdot \frac{1}{2^k}
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MHB How do I convert from this mod number to a regular number?
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MHB Challenge Problem #6: Prove tan 18°=√(1-2/√5)
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MHB Challenge question on equilateral triangle: Prove ∠DBA=42°
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MHB How does 12 + j16 become 20 ∠53.1° in impedance calculations?
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MHB Prove trig identity (cot x -1)/(cot x +1)=(1-sin 2x)/(cos 2x)
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MHB What is the linear speed of Santa Fe around the earth's axis in mi/hr
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High School Are Algebra, Geometry, Probability innate or cultural?
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Undergrad Solve ln(a/b+1) Using Identity ln(a+b)=ln b + ln(a/b+1)
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High School Mathematics in STEM fields: GATEKEEPER OR GATEWAY?
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Undergrad Spherical Harmonics Axisymmetry
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MHB Hill Cipher Attack: Eve Can Crack Alice's Message
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Undergrad "Define" ℕ from ℤ or ℝ from ℂ, etc....
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MHB (e^ix)-1=(2ie^(ix/2))x(sin (x/2))
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High School Is imaginary "i" a purely aesthetic matter?
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MHB How can I create a strong password to protect my online accounts?
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MHB Find equation of a quadratic with line of symmetry
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Undergrad How did Euclid go about forming his propositions?
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MHB Solve sqrt (x+ a) = x −7 when a=-1
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MHB Vibrations of a Hanging Chain: Modeling Tension with PDEs
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High School Why x=2x doesn't have three solutions?
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MHB Calculating the Probability of Winning a Masters Degree H-1B Visa Lottery
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MHB Does PEMDAS Apply to All Math Equations?
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High School Measuring Angles: Negatives & Quadrants
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Undergrad Hausdorff dimension of Riemann zeta function assuming RH
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High School Is there a symbol for "probably equals"?
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High School Question about finding the force using vector projections
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MHB Interval of eigenvalues using Gershgorin circles
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MHB Guessing a three digit pin code from an 8 key keypad
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MHB Calculating a Weighted Mean for GPA Calculation
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MHB Probability of Order Accuracy from A, C, or Not Accurate
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MHB Probability of 4 Adults Having Health Insurance
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Undergrad Why the different terminology: Sequence versus Series?
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MHB Is f in the vector space of cubic spline functions?
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High School Sum of Series 1/n: Is it Infinity?
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Undergrad A question regarding the ratio test for limits
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High School Can You Find the Function of a Random Curve on Graph Paper?
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High School What is the process for converting dB/Hz to dB/decade?
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High School How can complex numbers be elevated to complex powers?
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MHB LU decomposition: Total pivoting
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High School What are cosine and sine functions called in relation to Pi?
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MHB Solving Math Problem: Average Distance from Earth to Proxima Centauri
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High School Are f(x) and f(-x) Equivalent Functions?
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MHB Kinematics + Trigonometry Application (Physics 12u)
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MHB Solve √(x^2+3x+7)-√(x^2-3x+9)+2=0
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MHB Gaussian Quadrature Formula for Integrating Polynomials of Degree 6
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High School Is ##\mathbb{Z}_2## a Field Despite the Zero Multiplication Dilemma?
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MHB Least squares method : approximation of a cubic polynomial
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MHB Mortgage Calc: Calculate Payment, Owed & Interest Breakdown
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Undergrad Terminology: equation collapse
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MHB Percentage between two numbers
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Undergrad What went wrong in the algebraic steps for ln rules?
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MHB Gaussian Quadrature: isolated roots
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MHB Banach fixed-point theorem : Existence of solution
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MHB Find the Limit of a Sequence: Tips & Techniques
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MHB The decomposition for a symmetric positiv definite matrix is unique
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Undergrad What makes Euler's Identity puzzling in complex number calculations?
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MHB Quadratic equations ( solving for zeros/roots) trickey
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MHB Probability of Missed Bullseye 3+ Times in 4 Shots
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Undergrad Getting Points Inside Of A Polygon
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High School Trig Problem Altitudes of Parallelogram
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MHB Right Isosceles triangle: solve for the length of the unknown legs
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MHB Two versions of Gram Schmidt orthogonalization method
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Undergrad Euclid's Formula as a test for sufficiency
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MHB How to Prove the Ratio of Radii and Angular Speeds of Two Connected Pulleys?
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Undergrad Creating a fair playing field for an odd number of players
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MHB What is the relationship between frequency and angular speed?
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MHB Help with Lab Work: Acids and Bases Safety
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High School Is Figure a Polygon? Examining Edges of the Image
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MHB Expression sin^n(x)/(sin^n(x)+cos^n(x))
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MHB (0,a) , (b,0) , (2,d) and (e,7) lie on y=2x+1, find a, b, d and e
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MHB Wacky explanation in a student solutions manual for manipulating an equation
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MHB Solving a Challenging Math Problem | Expert Tips & Strategies
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MHB Scale Drawing: What is the real length of the bus
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Undergrad Do complex roots have a physical representation on a curve?
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Undergrad Looking for specific anecdote on math of rogue waves
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MHB Can $[a] \times [b]$ be an element of ${\Z / n\Z}^{\times}$?
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MHB Sum of the measures of the interior angles of a heptagon
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MHB Show that the tridiagonal matrix is positive definite
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MHB LR decomposition with column pivoting
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MHB Solving equation in natural number
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MHB How Can I Prove AH = DK in Triangle Congruency?
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