Mathematics Community Portal
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. It can be found here: Peer Review Form.
New Materials

Tim Brzezinski – Resources
The is a large collection of Geogebra activities that involve interactive three dimensional geometric explorations.

Linear Algebra  A Course for Physicists and Engineers
In order not to intimidate students by a too abstract approach, this textbook on linear algebra is written to be easy to...

Sets, Logic, Computation: An Open Logic Text
This textbook is based on the Open Logic Project. It covers naive set theory, firstorder logic, sequent calculus and...

A Refresher Course in Mathematics
Mathematical skills are an unavoidable prerequisite for beginners of a study at a university. This book covers all major...

CCCOER Faculty Dialogue : Math
To celebrate Open Education Week, CCCOER held five 45minute webinars, one per day, where faculty in a specific...

Math Active Learning Lab: Math 92 Notebook
This course notebook has been designed for students of Math 92 (Algebra Prep II) at the University of North Dakota. It...

Math Active Learning Lab: Math 93 Notebook
This course notebook has been designed for students of Math 93 (Algebra Prep III) at the University of North Dakota. It...

Elementary Set Theory
This text is appropriate for a course that introduces undergraduates to proofs. The material includes elementary symbolic...

APEX Calculus: UND Edition
This text comprises a three–volume series on Calculus. The first part covers material taught in many “Calculus 1”...

OpenStax CNX  Mathematics
OpenStax CNX Library  mathematics section consist of a collections of open acces math resources.

PreCalculus Workbook
In this course, we will study many types of functions. Functions are mathematical objects that for each input provide...

Linear Algebra
This is a linear algebra course developed by OhioLink. The topics include: Topic 1  Basic Vector Proficiency Topic 2...

Mathematics Fundamentals
This book is an introduction to basic mathematics and is intended for students who need to reach the minimum level of...

AMS Open Math Notes
It is an online repository of freely downloadable mathematical works in progress hosted by the American Mathematical...

Keisan Online Calculator for Math and Science
Keisan Online Calculator site is provided and supported by Casio Computer Co., Ltd. This site contains various Free...

Shiny Circus
The Shiny Circus is in town and Charlie, Alice and Ralph are off to the show! Charlie helps the clowns prepare for their...

Quick Fractions
Hate fractions? That’s ok! Quick Fractions is here to help you master one of the most troublesome areas of mathematics!...

Math 083 OER Lesson Packet
This is a lesson book for a Math Literacy/Quantitative Reasoning course which is designed for students to write in and...

De Gruyter: Open Access Journals
De Gruyter publishes fully open access journals across Science, Technology, Mathematics (STM) and Humanities, Social...

IEEE Access: The Multidisciplinary Open Access Journal
The Institute of Electrical and Electronics Engineers (IEEE) Access is an awardwinning multidisciplinary, all electronic...

Mathematics Textbooks  College Open Textbooks
This site has links to over 100 open mathematics textbooks. It is part of a larger collection of open textbook links for...

Direction Field Plotter
This site contains a siple applet that plots direction fields for simple first order differential equations of the form...

Inverse Matrix Calculator
This site contains a tool (calculator) that will find the inverse of the square matrix using the Gaussian elimination...

Solving Systems of linear equations
This site contains a calculator that solves Systems of Linear Equations using Gaussian Elimination Method, Inverse Matrix...
New Members

Maksim KustovASU

Richard GentrySacramento City College

Tim ThomasLanier Technical College

César Jaime Mejiafundación universitaria del área andina

Macy BowserMcNary High School

Ramson RoniKaplan University

Igor SubbotinNational University

sharethikana sharethikanasona college of technology

Jamesh MarkDesigner

Richard ZachUniversity of Calgary

Lendy GayanSt. Paul School

William Greogory EvansEvans

Sofia Martinehoward university

Becky BabelWake Technical Community/Technical College

Jeff MiyaharaSantiago Canyon College

Valerie WebberMohawk College of Applied Arts and Technology

Brian ParedesINACAP Universidad Tecnológica de Chile

Lesya ZhukovskaSouthwestern College

Selcuk GuncuParagon Science Academy

nicolas cifuentesINACAP Universidad Tecnológica de Chile

Gerardo JaraINACAP Universidad Tecnológica de Chile

Peggy Edensalecianos

Kevin CallahanCalifornia State University, East Bay

Juan RiveraINACAP Universidad Tecnológica de Chile
Materials by Discipline
 Algebra and Number Theory (575)
 Analysis (109)
 Applied Mathematics (90)
 Calculus (462)
 Developmental Mathematics (476)
 Differential Equations (147)
 Discrete Mathematics (229)
 Dynamical Systems (41)
 Foundations of Mathematics (120)
 General and Liberal Arts Math (252)
 Geometry and Topology (223)
 Mathematical Modeling (76)
 Mathematics Publishing Tools (31)
 Numerical Analysis (55)
 PreCalculus Mathematics (348)
Mathematics on the Web

10yearold college student aims for doctorate degree
May 22, 2019 06:30 PM PDT

West High School salutatorian is driven for success
May 22, 2019 05:56 PM PDT

Cooney, Loven top graduates in Early's Class of 2019
May 22, 2019 03:41 PM PDT

Bennett, Ratliff Lead Rison High Class of 2019
May 22, 2019 03:07 PM PDT

The Rectification Ratio and Tunneling Decay Coefficient Depend on the Contact Geometry ...
May 22, 2019 02:59 PM PDT

Advancements in Extrusion to Be Highlighted at MD&M East
May 22, 2019 02:22 PM PDT

Automotive Variable Geometry Turbocharger Market Report, Market Size, Share, Price, Trend ...
May 22, 2019 02:11 PM PDT

Poll: 56 percent of Americans don't want Arabic numerals taught in schools
May 22, 2019 02:08 PM PDT

Automotive Variable Geometry Turbocharger Market 2019 Global Industry Size, Future Trends ...
May 22, 2019 01:39 PM PDT

Subprime ProfitMachine Hiccups: CreditCard ChargeOffs Rise Across Banking System
May 22, 2019 12:07 PM PDT

State board makes changes in testing for next year
May 22, 2019 11:22 AM PDT

Pathways students apply math skills, construct shed for Evansville Elementary (PHOTOS)
May 22, 2019 10:48 AM PDT

Saunders Val & Sal Look to the Future
May 22, 2019 10:30 AM PDT

How Geometry, Data and Neighbors Predict Your Favorite Movies
May 22, 2019 10:15 AM PDT

It's a wrap
May 22, 2019 09:41 AM PDT

Chatham High School third quarter Excellence in Effort
May 22, 2019 08:33 AM PDT

Nancy Pelosi Emerges in One Piece From Democrat Meeting on Impeachment
May 22, 2019 07:52 AM PDT

Big Data enables better urban transport networks
May 22, 2019 06:49 AM PDT

Performance of EPA Method 8270 using Hydrogen Carrier Gas on SCION GCMS
May 22, 2019 06:18 AM PDT

Time for Moore: Picture this  graduation
May 22, 2019 05:56 AM PDT
Mathematics on Twitter
 Generating plasma, underwater?
Try using shrimp claws. Really.
Highly efficient, extreme science insights fr… twitter.com/i/web/status/1…5 hours ago  NSF_MPS
 Blazar? Radio galaxy? All black holes, just seen from a different angle...
news.science360.gov/obj/video/ba1c…5 hours ago  NSF_MPS
 ICYMI !!! twitter.com/EmoryUniversit…6 hours ago  NSF_MPS
 Superconductivity...it's getting warmer!
Sort of winter in Minneapolis warmer, but still.
From @NSF's… twitter.com/i/web/status/1…6 hours ago  NSF_MPS
 Learn more about the phylogenetics of beer in the latest issue of Math Horizons magazine. Cheers! @tandfonline… twitter.com/i/web/status/1…7 hours ago  maanow
 H.R. 2528, the #STEM Opportunities Act of 2019, was introduced earlier this month. Feedback is needed now on import… twitter.com/i/web/status/1…8 hours ago  amermathsoc
 On June 4th: OLC’s @DevonCancilla leads a panel to discuss how digital education will impact SoCal over the next 10… twitter.com/i/web/status/1…10 hours ago  MERLOTorg
 Plasma is extreme  and everywhere to be found in the universe's most extreme environments.
An @NSF grant and sup… twitter.com/i/web/status/1…10 hours ago  NSF_MPS
 RT @susan_dagostino: Many of the book’s contributors are mathematicians who tweet, including @DrAmiRad @DrLeona @RachelleDeCoste @edraygoin…11 hours ago  amermathsoc
 RT @NatSolarObs: You asked, we answered... "Will the @NSF DKI Solar Telescope #DKIST tell us anything about climate change?"
Here's wha…12 hours ago  NSF_MPS