Math Forums


Introductions
Say hello to the Math Forums community in here and introduce yourself.
Latest: Rotation of vector in 3 directions nycmathguy, Apr 23, 2022 
Announcements, Suggestions and Feedback
We'll post any site announcements in here. You can also let us know what you think of MathForums.com and mention any ideas for the site.
Latest: Math Questions in Correct Forum nycmathguy, Apr 7, 2022



Basic Math
Help with basic math questions, such as addition, subtraction, multiplication, division, denominators, fractions, percentages, etc...
Latest: Check my math  electric cars and the grid UmYeah, May 20, 2022 at 5:02 PM 
Algebra
Formulas, inequalities and simultaneous, coordinates, graphs, number patterns, linear and quadratics.
Latest: Number of Possible Passwords nycmathguy, May 20, 2022 at 2:38 PM 
Geometry and Trigonometry
Volumes, perimeters, angles, identities, triangles, sin, cos, tan.
Latest: Euclidean Geometry  Demonstration Exercise Samuel Gomes, May 15, 2022 at 8:27 PM 
Probability and Statistics
Histograms, averages, diagrams, distributions, sampling, estimates, bayes theorem, permutations and combinations.
Latest: Has anyone ever done this before? drgnbrn30, Apr 10, 2022 
Differentiation and Integration
Derivatives, area under a curve, rules, integration by parts and substitution.
Latest: Incomplete Elliptic Integrals of the second kind  evaluation Country Boy, Jan 19, 2022 
Other PreUniversity Math
Any preuniversity level math that doesn't fit in the categories above.
Latest: Postturing exercise pls help me volans01, May 13, 2022



Calculus
Advanced differentiation and integration, derivatives, theorems, polynomials.
Latest: Find Numbers Where f is Discontinuous...2 MathLover1, May 20, 2022 at 11:14 PM 
Number Theory
Fermat's theorem, prime numbers, algebraic number theory, Euler's theorem, congruences, modulo.
Latest: Is Fermat's "Last Theorem" really Fermat's theorem? ter, May 15, 2022 at 11:45 AM 
Linear and Abstract Algebra
Endomorphisms, isomorphisms, linear maps, matrix, theory, groups, rings, fields, Galois theory, eigenvalues and eigenvectors.
Latest: Spectrum of the second derivative akw, Apr 9, 2022 
Analysis and Topology
Sequences, limits, series, functional analysis, differential calculus, convergence and divergence.
Latest: d((x_n),(y_n)) := 2 ^{−min{n∈N: x_n≠y_n}} defines a metric on S={0,1}^ℕ nycmathguy, May 19, 2022 at 10:45 PM 
Advanced Applied Math
Set Theory, Logic, Numerical Analysis, etc...
Latest: Combinatorios and pyramids Loulou, May 2, 2022 
Differential Equations
First and second order equations, Laplace Transforms, theorems, equations.
Latest: can an equasion or formula be created for this senerio? nycmathguy, Apr 20, 2022 
Advanced Probability and Statistics
Testing, samples, confidence intervals, convergence, expectation, measure theory, random variables.
Latest: Random Probability Question wilsonbe86, Mar 30, 2022 
Other Advanced Math
Any other advanced math topics that don't fit in to the above categories.
Latest: Simple % problem MathLover1, May 11, 2022



Math Software
Discuss all types of math software in this section (Matlab, Mathematica, etc...).
Latest: Photomath nycmathguy, Dec 28, 2021 
Calculators
Need help with your calculator? This is the place to ask!
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Latest: Division by zero. Go ahead and laugh. nycmathguy, Apr 28, 2022
