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

A First Course in Linear Algebra
A First Course in Linear Algebra presents an introduction to the fascinating subject of linear algebra for students who...

WeBWorK Problems for Linear Algebra
This set of problems for Linear Algebra in the opensource WeBWorK mathematics platform was created under a Round Eleven...

Key Concepts of Intermediate Level Math
This textbook is a concise, understandable, and effective guide on intermediate level mathematics. This book can be used...

Visualizing Mathematics in 2D & 3D
Visualizing Mathematics in 2D & 3D is a website suported by (NSF: DUEIUSE #1524968 and DUECCLI #0736968), and it is...

Linear Algebra with Applications: Lyryx
After being traditionally published for many years Linear Algebra with Applications by W. Keith Nicholson is now released...

Introduction to the Modeling and Analysis of Complex Systems
Introduction to the Modeling and Analysis of Complex Systems introduces students to mathematical/computational modeling...

A Spiral Workbook for Discrete Mathematics
This is a text that covers the standard topics in a sophomorelevel course in discrete mathematics: logic, sets, proof...

Systemic Initiative for Modeling Investigations and Opportunities with Differential Equations (SIMIODE)
SIMIODE is a Systemic Initiative for Modeling Investigations and Opportunities with Differential Equations. SIMIODE, a...

Math for Manufacturing
Complete textbook for a community college Math for Manufacturing course. It covers basic mathematics including...

Open Science: Sharing Your Research with the World
Starting Oct. 30, 2018, this four week introductory course "Open Science: Sharing Your Research with the World" is...

The Mathematics Education of Prospective Secondary Teachers Around the World  SpringerLink
This volume shares and discusses significant new trends and developments in research and practices related to various...

Intermediate Algebra Workbook
This workbook was created through the efforts of instructors at Scottsdale Community College in Scottsdale, Arizona, has...

Introductory Algebra Workbook
This workbook was created through the efforts of instructors at Scottsdale Community College in Scottsdale, Arizona, has...

Prealgebra
Prealgebra is designed to meet scope and sequence requirements for a onesemester prealgebra course. The book’s...

PreAlgebra
Table of Contents: Unit 1 Integers Unit 2 Fractions Unit 3 Decimals Unit 4 Equations Unit 5 Proportions and Percents Unit...

Basic Arithmetic Workbook
This workbook was created through the efforts of three instructors at Scottsdale Community College in Scottsdale,...

Logarithmic Integral  from Wolfram MathWorld
This site goes over the definition and properties of the logarithmic integral, ∫dt/ln(t) from 0 to x. It contains a...

Square Root  from Wolfram MathWorld
This is a specific subsite of the Wolfram collection that focuses on the square root function, both on real numbers and...

A (relatively easy to understand) primer on elliptic curve cryptography
Everything you wanted to know about the next generation of public key crypto. A brief explanation of elliptic curve...

Lecture 7: Finite Fields (PART 4): Finite Fields of the Form GF (2 n ) Theoretical Underpinnings of Modern Cryptography
Slides covering finite fields (for elliptic curve cryptography)

Catalan Numbers in Pascal's Triangle
A simple example (with proofs) of some appearances of Catalan Numbers in Pascal’s Triangle.

CATALAN AND RELATED SEQUENCES ARISING FROM INVERSES OF PASCAL'S TRIANGLE MATRICES
A paper that relates Catalan Numbers with Pascal’s Triangle, including inverses of Pascal’s Triangle and discrete...

Catalan Numbers
A primer on the Catalan Numbers, relating several equivalent definitions.

Knapsack Problem solver  Karaffeltut
A 01 Knapsack calculator that uses dynamic programming.
New Members

Reny VNorthside College Preparatory High School

Sheena mNorthside College Preparatory High School

Robin PemantleUniversity of Pennsylvania

Jean HackTDSB

Reena AbrahamMissouri University , St Louis

Richard RubischTCCI

Leslly AvendanoCal State Long Beach

Rob MantonSpalding High School

Cosima TomaselliIstituto Madre Teresa Quaranta  74023 Grottaglie (TA)

Manisha Pandeyignou

姿妙 周NONE

Alison McCallisterJunction Avenue K8

JeanFrancois NiglioSSFLS

Yassine MoubsitUniversity of Burgundy

Seenith SivasundaramBethuneCookman University

Tamal DasguptaJEE Campus

Deborah DevlinFrostburg State University

Karen RielSherwood Elementary

Andrea WallachDCTS

Rick OdomNorth Lake Middle School

Menna Mohamedain shams univesity

Stefan FritzBedford High School

Musset ApollonBethuneCookman University

Benito GarciaPublico
Materials by Discipline
 Algebra and Number Theory (568)
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 Applied Mathematics (90)
 Calculus (460)
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 Differential Equations (143)
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 Geometry and Topology (223)
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 Mathematics Publishing Tools (31)
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Mathematics on the Web
Mathematics on Twitter
 It's never too early for math! Check out these 5 mathematical skills children need to prepare for kindergarten. bit.ly/2DjhnIS2 hours ago  maanow
 Celebrating #HispanicHeritageMonth Today on Latinxs & Hispanics in #Math Sciences: Sebastian HurtadoSalazar, asst… twitter.com/i/web/status/1…2 hours ago  amermathsoc
 RT @pickover: A delightful visualization of prime factorizations for the numbers 1 through 49. Source: tinyurl.com/yaaan3wj https://t.co…11 hours ago  amermathsoc
 RT @BYU: Astronaut Paolo Nespoli gives BYU engineers a shoutout from the International Space Station 🛰️ for their work with NASA on origami…12 hours ago  amermathsoc
 RT @Mathologer: I added a video to a @YouTube playlist youtu.be/ytuHV2e4c4Q?a Win a SMALL fortune with counting cardsthe math of blackjac…12 hours ago  amermathsoc
 RT @ICERM: It's not too late to register for the BlackwellTapia Conference & Award Banquet being held at ICERM Nov 910, 2018. Arriving a…12 hours ago  amermathsoc
 RT @evelynjlamb: It was a pleasure to talk with Nicolas Garcia Trillos, who took the time to talk with me while he was in the middle of a c…12 hours ago  amermathsoc
 Check out this week's #FoundInMERLOT showcase: Allen Brain Atlas #OER buff.ly/2QQJ0vV16 hours ago  MERLOTorg
 This article breaks down mathematics as a language. bit.ly/2xtCy5020 hours ago  maanow
 What is our place in the universe?
Well, we have a literal answer for that  thanks in part to @NSF's @TheNRAO… twitter.com/i/web/status/1…21 hours ago  NSF_MPS