Mathematics Community Portal
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Welcome – From the Editor
Welcome to the Mathematics Portal. Here you will find some of the best mathematics resources hosted on the Internet. We hope you find what you are looking for as you browse through the wealth of resources that will supplement your mathematics teaching and learning. The mathematics editorial board uses the same form for peer reviewing as is used for faculty development.
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Open Omnia - Mathematics Solver with Steps
Solve mathematical problems with Open Omnia. Enter a problem and get a step-by-step solution.
New Materials
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Mathematics for Engineering Students - S. S. Keller PDF
This comprehensive textbook is specifically designed to bridge the gap between theoretical mathematics and practical...
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Inequalities (Mathematical Analysis) - Classic Textbook by George Pólya
This is a digital entry for the classic mathematics textbook 'Inequalities' authored by George Pólya, G. H. Hardy, and J....
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Row Reduction — Geometric Interpretation and Example Visualization
This resource introduces row reduction as both an algebraic procedure and a geometric process. It explains how elementary...
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Parametric Derivative Calculator - dy/dx and d²y/dx² | DerivativeCalculus.com
Calculate first and second derivatives of parametric equations with step-by-step solutions, symbolic simplification,...
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Linear Algebra World — A Geometric Approach to Linear Algebra
This resource presents linear algebra through geometric structure and visual reasoning. Topics include vector spaces,...
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Projection — Orthogonal and Non-Orthogonal | Linear Algebra World
This resource introduces orthogonal projection in linear algebra and its geometric interpretation. A vector is decomposed...
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Best Solution and Ordinary Least Squares
This resource presents the least squares solution as a geometric projection onto the column space of a matrix. Given a...
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You're Smarter Than You Think: College Algebra for STEM Majors
A complete, 284-page open educational resource (OER) textbook for College Algebra for STEM Majors, designed from the...
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Peer-reviewed formulas across 25+ categories — finance, health, statistics, physics, and more — with step-by-step solutions.
At NumberVibe, we believe that access to reliable calculation tools should be free, instant, and available to everyone....
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Áreas y Volúmenes
AreasyVolumenes.net es una web educativa dedicada al estudio de los perímetros, áreas y volúmenes de las principales...
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Ejercicios de ecuaciones
EjerciciosEcuaciones.com es una web educativa dedicada al aprendizaje y la práctica de ecuaciones matemáticas. El sitio...
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Funciones
Funciones.xyz es una web educativa especializada en el estudio de las funciones matemáticas. El sitio ofrece...
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Polinomios
Polinomios.org es una web educativa dedicada al estudio de los polinomios y otros conceptos fundamentales del álgebra. El...
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Geometría Analítica
GeometriaAnalitica.info es un recurso educativo online dedicado al aprendizaje de la geometría analítica, una rama de las...
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Matrix Multiplication - Linear Algebra World
This resource introduces matrix multiplication from several complementary viewpoints: column combinations, row–column...
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First steps in Linear Algebra
This resource introduces the geometric ideas that motivate linear algebra. Using visual examples, it explains vectors,...
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The Four Fundamental Subspaces of Linear Algebra
This resource introduces the four fundamental subspaces of linear algebra: column space, null space, row space and left...
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A Visual Discovery of Mathematics
Various interactive mathematics visualisations spanning logic and proof, number theory, geometry, algebra, trigonometry,...
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Creative AI for STEM Toolkit
The Creative AI for STEM Toolkit is a free, classroom ready suite of GPT tools for undergraduate STEM general education...
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Modeling Synthesizer - Interactive Mathematical Biology Simulations
Free interactive simulations for mathematical biology education. A suite of general tools (dynamical systems, linear...
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3D Calculator - GeoGebra
This site is an applet to plot points in 3D.
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Calculus Calculator & Solver - SnapXam
This is a calculus step by step calculator.
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Inverse Trigonometric Functions Calculator - GraphCalc
Inverse Trig Functions Calculator Trigonometric functions—sine, cosine, tangent, and their reciprocals—are central to...
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Binomial Coefficient Calculator | Exact Combinations (n choose k)
Instantly compute exact combinations C(n,k) with BigInt and steps. View digits, scientific notation, magnitude, and...
New Members
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Ilyas SatoFree Mathematics Books (OER Project)
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Materials by Discipline
- Algebra and Number Theory (644)
- Analysis (122)
- Applied Mathematics (802)
- Calculus (555)
- Developmental Mathematics (459)
- Differential Equations (172)
- Discrete Mathematics (234)
- Dynamical Systems (40)
- Foundations of Mathematics (135)
- General and Liberal Arts Math (258)
- Geometry and Topology (229)
- Mathematical Modeling (81)
- Mathematics Publishing Tools (34)
- Numerical Analysis (55)
- Pre-Calculus Mathematics (304)
Journals & Publications
- Linear Algebra and its Applications
- Mathematics of Computation at AMS
- Journal of the American Mathematical Society
- Proceedings of the American Mathematical Society
- The College Mathematics
- American Mathematical Monthly
- Mathematics Magazine
- Focus Magazine
- Applied Mathematics E-Notes
- Mathematics MDPI
- Fractional Calculus and Applied Analysis
Mathematics on the Web
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Tensor G6 reportedly bringing latest ARM CPU cores but outdated GPU to Pixel 11
Apr 28, 2026 06:40 PM PDT
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SOHCAHTOA Trigonometry - YouTube
Apr 28, 2026 02:28 PM PDT
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Where Andrews Meets Gann for BINANCE:DOGEUSD by BlueprintResearch - TradingView
Apr 28, 2026 01:32 PM PDT
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Texas Instruments made a new flagship graphing calculator: the TI-84 Evo - Engadget
Apr 28, 2026 01:26 PM PDT
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Between mass and lightness. Steel House by Nomo studio | METALOCUS
Apr 28, 2026 12:51 PM PDT
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4. RB - Fifth-grade calculus - Easy Reader & Peninsula Magazine
Apr 28, 2026 12:35 PM PDT
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Bifurcation of neural firing patterns driven by potassium dynamics and neuron–electrode ...
Apr 28, 2026 11:56 AM PDT
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Texas Instruments launches the TI-84 Evo Graphing Calculator -- the most advanced TI-84 ever built
Apr 28, 2026 11:39 AM PDT
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Haiqu and HSBC Demonstrate Scalable Quantum Data Encoding
Apr 28, 2026 11:35 AM PDT
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Basic mathematics Triangle problem algebra tricky problem #mathteacher #mathlover ... - YouTube
Apr 28, 2026 11:20 AM PDT
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Better Hardware Could Turn Zeros into AI Heroes - IEEE Spectrum
Apr 28, 2026 11:10 AM PDT
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Microsoft's Shader Model 6.10 Opens Direct Access to GPU AI Engines | TechPowerUp
Apr 28, 2026 08:25 AM PDT
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Simulations Improve Quantum Algorithm Performance On Larger Systems
Apr 28, 2026 08:23 AM PDT
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[Geometry | Conic Sections] Two Basic Forms of an Ellipse - YouTube
Apr 28, 2026 04:32 AM PDT
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We need more players so I can race 100 people! #geometrydash #indie #game #gaming
Apr 28, 2026 03:45 AM PDT
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Why cooling hardware plays a critical role in semiconductor fabrication | Engineer Live
Apr 28, 2026 03:37 AM PDT
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"Richard Vaughan synchronizes predictive macro-cycle dispersion models with token supply ...
Apr 28, 2026 02:14 AM PDT
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Knotted Net Chairs : novum chair - Trend Hunter
Apr 28, 2026 01:59 AM PDT
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EDGAR Filing Documents for 0000904454-26-000242 - SEC.gov
Apr 27, 2026 07:38 PM PDT
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Shape of electrons is revealed for the first time in big quantum leap - Earth.com
Apr 27, 2026 07:26 PM PDT