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

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.

The 0–1 Knapsack Problem An Introductory Survey
A more complete explanation of the 01 Knapsack problem.

Lecture 13: The Knapsack Problem
A pdf of slides that explains the 01 Knapsack problem and shows how to solve it using dynamic programming.

Uses of Technology in Upper Secondary Mathematics Education  SpringerLink
This survey addresses the use of technology in upper secondary mathematics education from four points of view:...

Introduction to Mathematical Analysis I  Second Edition
Video lectures explaining problem solving strategies are available:...

Free Linear Algebra textbook
Linear Algebra is a text for a first US undergraduate Linear Algebra course. You can use it as a main text, as a...

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...

Notes on Diffy Qs  Differential Equations for Engineers
This free online book (ebook in webspeak) should be usable as a standalone textbook or as a companion to a course using...

Applied Calculus
An openly licensed applied calculus textbook, covering derivatives, integrals, and an intro to multivariable calculus....

Math & You
This book contains basic math information about the following: 1 Calculation 2 Consumption 3 Logic & the Media...

Just Math Tutoring
Often times, people are nervous about getting help in math: don’t be! I tell my students all the time that math is...

Mathispower4u Tutorials
This site provides more than 6,000 free minilessons and example videos with no ads. All of the videos are...

Mathematical Foundations
Table of Contents: Statements and Sets More on Sets and Statements Functions Proofs Recursion and Induction Relations...

Linear Algebra  Skills, Concepts and Applications
It is natural to begin our study of linear algebra with the process of solving systems of linear equations, and...

Ordinary Differential Equations for Engineers and Scientists
This book is a fairly straightforward introduction to differential equations, with an applied emphasis. The student...

Open Source College Algebra Textbook
The text is organized in the same manner as many publisher's texts overall, but with a few significant differences, which...

Open Source Math Intermediate Algebra Textbook
The text is based on the assumption that students taking Intermediate Algebra in college should work on fundamental...
New Members

kayle willsongreat acint

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

Phaedra WellsSouthern University System  Baton Rouge

Tiffany VappieSouthern University System  Baton Rouge

Joseph SpiveyWofford College

Matthew CatheyWofford College

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Adam GilbertSouthern New Hampshire University

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Brendan GormleyOLHRS
Materials by Discipline
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Mathematics on the Web

Grandview Heights schools: Honorees share passion for helping kids
Aug 20, 2018 05:33 PM PDT

Kentucky needs better high school diploma quality
Aug 20, 2018 04:48 PM PDT

Amanda Dawn Schantz earns math teaching award
Aug 20, 2018 04:15 PM PDT

Nvidia GeForce RTX 2080 Ti vs Nvidia GeForce GTX 1080 Ti
Aug 20, 2018 01:37 PM PDT

NVIDIA Announces GeForce RTX 2080 GPUs: Now With Ray Tracing
Aug 20, 2018 12:40 PM PDT

Nvidia's new AIoptimized graphics chips promise sixfold speed boost for desktops
Aug 20, 2018 12:30 PM PDT

Nvidia announced new RTX GPUs with realtime ray tracing
Aug 20, 2018 12:18 PM PDT

Official NVIDIA RTX 2080 Ti, 2080, & 2070 Specs, Price, Release Date
Aug 20, 2018 12:07 PM PDT

Nvidia's Beastly New 20Series RTX GPUs Claims up to 6X Performance Starting at $500
Aug 20, 2018 11:43 AM PDT

Nvidia unveils the GeForce RTX 2080 Ti, RTX 2080, and RTX 2070
Aug 20, 2018 11:35 AM PDT

Nvidia's GeForce RTX 2080 and RTX 2080 Ti are loaded with boundarypushing graphics tech
Aug 20, 2018 11:26 AM PDT

Global Automotive Variable Geometry Turbocharger Market 2018 – Remarkable Manufactures are ...
Aug 20, 2018 11:17 AM PDT

Nvidia Finally Unveils the RTX 2080, 2080 Ti, and 2070
Aug 20, 2018 11:11 AM PDT

NVIDIA Announces GeForce RTX 2070, RTX 2080 and RTX 2080 Ti at Gamescom 2018
Aug 20, 2018 10:58 AM PDT

Nvidia unveils GeForce RTX graphics chips for realtime ray tracing games
Aug 20, 2018 10:52 AM PDT

NVIDIA's $1199 RTX 2080 Ti is the fastest GeForce card ever
Aug 20, 2018 10:36 AM PDT

Nvidia Announces GeForce RTX GPUs, 2070 Starts at $499
Aug 20, 2018 10:20 AM PDT

EMCC offering Late Start and Second Intensive classes
Aug 20, 2018 09:52 AM PDT

Nvidia's new RTX 2080, 2080 Ti video cards ship on Sept. 20, starting at $699
Aug 20, 2018 09:34 AM PDT
Mathematics on Twitter
 RT @TheNRAO: In 1933, Karl G. Jansky, a young engineer working for Bell Laboratories, discovered radio waves at the center of our Milky Way…3 minutes ago  NSF_MPS
 Using this newly developed mathematical model, public health workers can work to influence human behaviors that lea… twitter.com/i/web/status/1…2 hours ago  maanow
 What Al Cuoco and colleagues at the Education Development Center learned from expert math teachers led him to think… twitter.com/i/web/status/1…3 hours ago  amermathsoc
 RT @TheNRAO: A new receiver. A new vision. Spanning the line between infrared light and radio waves, @almaobs Band 10 reveals an abundance…17 hours ago  NSF_MPS
 “Framing the idea of spending more time with math as ‘extra’ makes it feel simultaneously optional.” This article… twitter.com/i/web/status/1…22 hours ago  maanow
 Spring 2019! We’re off to Denver & seeking presenters for #OLCInnovate. #CFP open through September 12th!… twitter.com/i/web/status/1…23 hours ago  MERLOTorg
 Have you registered for the MAA American Mathematics Competitions yet? The early bird deadline for the AMC is Oct 1… twitter.com/i/web/status/1…1 day ago  maanow
 Convergence is MAA’s free online journal about the history of mathematics and its use in teaching. Don’t miss this… twitter.com/i/web/status/1…1 day ago  maanow
 Why do zebrafish have stripes? This mathematical model from @OhioState explains. bit.ly/2w4OARH2 days ago  maanow
 Congratulations to Masaki Kashiwara who was awarded the Chern Medal at #ICM2018 for his contributions to algebraic… twitter.com/i/web/status/1…2 days ago  maanow