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

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

Steven CarusoBlessed Sacrament School
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

ITAMCO wins contract with US Air Force to develop 3Dprinted runway mat
May 20, 2019 09:07 AM PDT

Global Track Geometry Measurement System Market InDepth Analysis 20192024 : Amberg ...
May 20, 2019 08:36 AM PDT

RPS: Reflection on the success of Public schools
May 20, 2019 08:11 AM PDT

Mondraker FPodium
May 20, 2019 08:00 AM PDT

Mondraker's new FPodium might be the most aggressive crosscountry race bike ever
May 20, 2019 07:26 AM PDT

How to Get Ahead in School  Summer Tutoring
May 20, 2019 07:03 AM PDT

New Silicon Heating Element Used for Thermal Peak Loads of up to 270 Degree Celsius
May 20, 2019 04:48 AM PDT

Tensor plc appointed as supplier for the Crown Commercial Service RM6089 Workplace Services ...
May 20, 2019 04:37 AM PDT

The X Factor: Should Illinois Nix Algebra Requirment?
May 20, 2019 04:26 AM PDT

Science is helping kids become math masters
May 20, 2019 03:53 AM PDT

Global Hand Geometry Biometrics Market Detailed Analysis 20192024 : Allegion, ATR Systems ...
May 20, 2019 12:52 AM PDT

Global Track Geometry Measurement System (TGMS) Market 2019 – Ensco, Inc., Fugro, MER MEC ...
May 20, 2019 12:18 AM PDT

JEE Advanced 2019: How to attempt exam? Check preparation tips
May 19, 2019 11:56 PM PDT

Repeating earthquakes discovered in Costa Rica
May 19, 2019 11:33 PM PDT

Global Track Geometry Measurement System (Tgms) Market Future Prediction Report 20182023
May 19, 2019 10:26 PM PDT

Global Structural Hollow Sections Market: Key companies Profile, their market Share and other ...
May 19, 2019 09:26 PM PDT

Can east, south offset BJP deficit? (Column: Political Calculus)
May 19, 2019 08:56 PM PDT

NRC: Biometric Collection Fails To Keep Pace With Hearing Process
May 19, 2019 07:22 PM PDT

New “academy” structure for 9th graders planned for Rogers High School
May 19, 2019 01:47 PM PDT
Mathematics on Twitter
 "Arlie Petters is one of the few tenured black mathematicians. He wants to diversify his field." @ChronicleDuke on… twitter.com/i/web/status/1…1 hour ago  amermathsoc
 5 Ways to Market a #MOOC @classcentral buff.ly/2WdL1I4 https://t.co/7M0nfKFav0, photo: pic.twitter.com/7M0nfKFav01 hour ago  MERLOTorg
 Congratulations to AMS Fellows Russel E. Caflisch, Jennifer T. Chayes, Bryna Rebekah Kra, and Barry Simon on their… twitter.com/i/web/status/1…2 hours ago  amermathsoc
 We're so excited to welcome this group to the MAA Carriage House today! Learn more about the MAA Instructional Prac… twitter.com/i/web/status/1…2 hours ago  maanow
 CORRECTION: In this article, @DrEugeniaCheng explains that algorithms risk being mystifying for students as they le… twitter.com/i/web/status/1…2 hours ago  maanow
 These mathematicians' "magical functions" provide new insight into eight and 24 dimensional space. quantamagazine.org/universalmath…4 hours ago  maanow
 .@DrEugeniaCheng explains that while algorithms may be good for computers, they are not beneficial for students le… twitter.com/i/web/status/1…22 hours ago  maanow
 Check out this application of number theory in "Heating a Torus with Number Theory" in the latest issue of Mathemat… twitter.com/i/web/status/1…1 day ago  maanow
 According to a new study, where trees cluster in the world's savannas follows a distinct mathematical pattern. news.yale.edu/2019/05/13/mat…1 day ago  maanow
 Learn more about the Edyth May Sliffe Award and nominate a teacher who has done outstanding work motivating student… twitter.com/i/web/status/1…2 days ago  maanow