# paramath

## * DIỄN ĐÀN TOÁN HỌC - My MathForum Math Forum My Math Forum: for a better understanding of mathematics

 The time now is Sat Jan 19, 2008 4:41 am Math Forum Forum Index View unanswered posts
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High School Mathematics Math Help on Cosine (cos), Sine (sin), Tangent (tan), Cotangent (cot), Cosecant (cosec), Secant (sec), Arccos, Arcsin, Arctan, Hypotenuse, Angles, Formulas, Trigonometric Circle, Unit Circles, Quadrants, Rotations; Triangles, Rectangles, Squares, Parallelograms, Quadrangles, Lozenges, Lines, Perpendicular, Parallel, Perpendicular, Parallel Lines, Bisector, Median, Gravity Center, Circumcenter, Circles, Pythagorean Theorem, Thales, Height, Side, Length, Ruler, Compass, Constructions, Formulas; Quadratic equations (Second degree equations), Absolute Values, Inequalities; Events, Random, Mean, Variance, Expectation, Wins, Losses, Bernoulli, Newton's Binomial Formula, Multinomial Formula, Tests, Samples on My Math Forum.
777 3528 Fri Jan 18, 2008 7:08 pm
skipjack  Math help on Calculating limits of functions, Differentiation of a product, Differentiation of a quotient, Composition of functions, Chain Rule, Variations, Extremums: Maximums, Minimums, Increasing Functions, Decreasing Functions, Constant Functions, Differential Equations, Growth of a Population, Formulas, Integration by Parts, Change of Variables; Double Integrals, Triple Integrals, Multiple Integrals, Integrals with a Parameter, Area, Volume, Approximations on My Math Forum.
262 1073 Sat Jan 19, 2008 12:50 am
skipjack College Mathematics Math help on Congruences, Modulo, Fermat's Theorem, Fermat's Last Theorem (FLT), Euler's Theorem, Euler Totient Function, Divisors, Multiples, Prime Numbers, Prime Number Theorem, Distribution of Prime Numbers, Dzeta Function, Riemann Hypothesis, Algebraic Number Theory, Analytic Number Theory on My Math Forum.
Math problems in Number Theory
Moderators CRGreathouse, Infinity
197 1442 Wed Jan 16, 2008 10:22 am
CRGreathouse  Math help in Superior Algebra: magmas, monoids, semigroups, groups (Lagrange Theorem, Sylow Theorems, etc ...), rings, fields, modules, isomorphism theorems, algebras, group representations, Lie Algebras, irreducible elements, prime elements, invertible elements, units; Field Theory: separable extensions, normal extensions, Galois extensions, Fundamental Theorem of Galois Theory, minimal polynomials, cyclotomic extensions, group of automorphisms, solvability of equations, solvable groups, splitting fields, algebraic closures, norms and traces on My Math Forum.
Math problems in Group Theory   Field Theory   Rings and Modules   Polynomials
160 410 Fri Jan 18, 2008 11:54 am
Jose  Math help on sequences, numerical series, computation of limits, Cauchy sequences, the Real Numbers properties, the Least Upper Bound axiom, Dedekind cuts, completion, convergence and divergence of integrals, multiple integrals, Riemann Integrals, Measure Theory, Lebesgue integrals, Fourier Analysis, Harmonic Analysis, Open sets, Closed sets; Quasicompact, Compact, Paracompact, Connected, path-connected, Hausdorff, Regular, Normal, Baire, Polish spaces; limits, continuity, connectedness, continuous maps, open maps, continuum, homotopy theory, homology theory, torus, spheres on My Math Forum.
Math problems in Real Analysis   Integration   Functional Analysis   Topology   Differential Calculus
Moderators CRGreathouse, Infinity
107 441 Tue Jan 15, 2008 5:06 pm
mathman  Math help in Numerical Analysis, Systems of Equations: Cholesky, LU factorization, Consistence, Differential Equations (ODE), Euler's Method, Approximation of Integrals: Simpson's method, Partial Differential Equations (PDE), Symbolic Computations, Financial Mathematics, Software, Calculator, TI/Casio, Maple, Mathematica, Latex, Game Theory, Graph Theory; Relations, Equivalence, Implication, Boolean values, True, False, or, and, xor, Predicates, First Order Logic, Second Order Logic, Decidability, Turing machine, P problems, NP problems, Axioms, Axiom of Choice; Paradoxes: Russel, Banach-Tarski; Goedel's Incompleteness Theorem, Foundations of Mathematics on My Math Forum.
Math problems on Numerical Series   Geometry   Other Topics
Moderator CRGreathouse
110 514 Sat Jan 19, 2008 1:11 am
skipjack  Math Help on Kolmogorov axioms, Measure Theory, Sigma Algebra, Probability Space, Random variables, Random vectors, Expectation, Variance, Standard Deviation, Weak convergence; Convergence in Law, in Probability, Almost surely, Everywhere; the weak and the strong Law of Large Numbers, the Central Limit theorem, Tests, Samples, Confidence Intervals, Estimators, Consistence, Parametric and Non-parametric Statistics on My Math Forum.
Math problems in Probability
169 534 Fri Jan 18, 2008 5:35 pm
fingerbang  Math help on Complex Numbers, Power Series, Radius of Convergence, Ratio test, Complex Differentiation, Holomorphic Maps, Meromorphic Maps; Removable, Essential singularities; Poles; Residues, Cauchy-Riemann equations, Schwarz reflection principle, Analytic extensions, Schwarz lemma, Harmonic functions on My Math Forum.
Math problems in Complex Analysis
45 167 Tue Jan 15, 2008 3:38 pm
germanaries  Math help on Endomorphisms, Isomorphisms, Linear maps, Matrix Theory, Hermitian Matrices, Symmetric matrices, Antisymmetric Matrices, Orthogonal matrices, Reduction of Matrices, Bilinear Algebra, Sesquilinear Algebra, Random Matrices, Vector Spaces, Eigenvalues, Eigenvectors on My Math Forum.
Math problems in Linear Algebra   Bilinear Algebra
54 165 Sun Jan 13, 2008 9:08 am
reddmann  IMO, IMC, USAMO, TST, Putnam, post your own math challenges to the group.
32 131 Sat Dec 29, 2007 5:52 pm
skipjack Math Literature Review your favorite math books and math ebooks here, or ask for some math references or sources. This forum can be also used for sujects making extensive use of mathematics.

4 27 Thu Jan 17, 2008 12:19 pm
cknapp Middle School and Elementary School Mathematics Math help on Numerator, Denominator, Common Denominator, Addition of fractions, Multiplication of fractions, Division of fractions, Percents, Rational numbers, Solving an Equation, Graphic solutions, Representation of solutions with Calculators (Casio, Texas, etc ...), Equalities, Inequalities, how to Factor and Expand expressions, Learn how to add, subtract, multiply and divide numbers (integers) on My Math Forum.
Moderators Infinity, johnny
42 202 Tue Jan 15, 2008 10:38 pm
skipjack Other Scientific Fields Financial Mathematics, Econometrics, Operations Research, Mathematical Finance, Computational Finance, Engineering Mathematics ...
Moderators milin, mathman, Compendium
7 35 Fri Jan 11, 2008 12:05 pm
al-mahed  Study of algorithms, Automata, Programming (Basic, Delphi, C, C++, Assembler, Maple, Mathematica), Software/Hardware, Computational Mathematics, Complexity Theory.
56 352 Thu Jan 17, 2008 3:46 pm
al-mahed  For anything related to Physics, Chemistry and the interactions between those fields and mathematics.
42 153 Wed Jan 16, 2008 1:26 am
saLe_MU Social Lounge 121 606 Fri Jan 18, 2008 9:21 pm
cknapp  29 174 Tue Jan 08, 2008 11:51 am
julien  julien Who is Online Our users have posted a total of 9994 articles We have 1474 registered users The newest registered user is iamlegend In total there are 20 users online :: 1 Registered, 0 Hidden and 19 Guests   [ Administrator ]   [ Moderator ] Most users ever online was 231 on Thu Oct 18, 2007 6:58 am Registered Users: romain New posts No new posts Forum is locked