Even for someone who tends to be good at math, it can be a daunting task to master some of the more advanced topics of number theory, combinatorics, and the mathematical tactics used in physics and computer programming. Moreover, math expertise builds on itself, so it is impossible to master specialized mathematical techniques without slogging through all the fundamentals along the way. The wide variety of branches and applications of mathematics makes it hard for even accomplished mathematicians to keep up with everything going on in the field, but maintaining a broad base of knowledge in many subjects is important for anyone who incorporates mathematics in their career skill set. These sites are perfect for students who are working to become experts in a particular field of mathematics but need to keep working knowledge in other areas as well.
The categories here aren’t meant to be comprehensive, because each site listed serves a very specific niche, and the sites aren’t listed in any particular order. From Algebra to Algorithmic Programming, many branches of math are represented here, and anyone who looks should find something interesting.
General Mathematics
These sites cover the full gamut of mathematical topics and cater both to total beginners and career mathematicians.
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American Mathematical Society Blogs
The American Mathematical Society is a great institution for painting a good picture about different happenings in the math community. They have great information on math in the media and different educational resources.
Additional Info: Math Mentoring Network
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Encyclopedia of Mathematics
Encyclopedia of Mathematics is an open-access resource for gaining knowledge into many different subjects. It’s a great way to sift through a bunch of different data and find some useful information.
Additional Info: Main Page
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University of Cambridge NRICH
NRICH promotes the learning of mathematics through problem solving and provoking mathematical thinking. Rich activities are offered for students, teachers and parents.
Additional Info: Stop The Clock
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Math Notations
Math Notations works to help convey the best understanding of math possible, since it is largely the foundation of how we function in the world. Most of the material focuses on math between grades 4 and 12, along with AP calculus, so whether you’re looking for a refresher course or preparation material for an examination, the site is invaluable.
Additional Info: So is 75 the Avg of the pos integers from 50 to 100 Inclusive?
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X Bubbler: Very Stylish Math
X Bubbler: Very Stylish Math is great because of its straightforward nature and easy-to-understand posts. Many of the posts look at prime numbers, so it’s a great place to get more information on that as well.
Additional Info: How Many Prime Numbers Are There?
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(x, why?)
(x, why?) is a blog with different math-related jokes and keeps a casual, fun tone for students to easily stay engaged while still pulling useful information away.
Additional Info: If I Wrote State Exams
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Beni Bogosel’s Blog
When it comes to combining math problems and research topics, Beni Bogosel’s Blog is a great source for looking at all sorts of problems and trying to discern clear solutions.
Additional Info: IMC Problem 10
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Launchings
David Bressoud is a professor at Macalester College and is the former president of the Mathematical Association of America. His site, Launchings, is an incredibly useful tool that looks at different aspects of math and brings it all under a singular umbrella.
Additional Info: MAA Calculus Study: Effects of Calculus in High School
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Math Drudge
Math Drudge centers on the musings of two mathematicians as they look at different facets of math and science. The posts are very captivating, each focusing on an area within education.
Additional Info: Essays
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The Pi Search Page
The Pi Search Page started merely with intentions to let individuals search the infinite numbers of pi for their birthday. Over the years, it has grown to allow for searching of any chain of numbers within Pi, so it’s a fun way to see what you can find in Pi.
Additional Info: Why? Why?
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A Friendly Introduction to Number Theory
A Friendly Introduction to Number Theory provides parts of a book of the same title online so that readers can best understand if this is the book that they need for advancing their understanding of advanced mathematics.
Additional Info: Chapters 47-50
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The Boyer-Moore Theorem Prover (NQTHM)
The Boyer-Moore Theorem Prover was started in Scotland in 1971 with the intention of being an automatic theorem prover that makes researching much more efficient.
Additional Info: My Best Ideas
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The On-Line Encyclopedia of Integer Sequences® (OEIS®)
The On-Line Encyclopedia of Integer Sequences allows for users to search for different sequences of integers are they need to do research as to the circumstances in which those integers appear.
Additional Info: Contribute
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Peter Cameron’s Blog
Run by a professor of mathematics in London, Peter Cameron’s Blog showcases an ability to convey useful information, but underlines his experience as an educator by being very approachable.
Additional Info: Symmetry Versus Regularity
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Tanya Khovanova’s Math Blog
Tanya Khovanova’s Math Blog is managed by a professional mathematician who details her life in the field, the application of math to many different parts of life, and just general parts of math.
Additional Info: Parallel Weighings Solution
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Number Theory Web
Number Theory Web is a regularly updated site that provides lectures and different theories on complex aspects of mathematics and their prevalence in society today.
Additional Info: New Listings
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Bubbles Bad; Ripples Good
Bubbles Bad; Ripples Good is run by Willie Wong, a mathematician working at the renowned Ecole Polytechnique Federale de Lausanne in Switzerland. He works to explain large amounts of mathematics to others and increase the understanding of the importance of math in society.
Additional Info: Teaching Links
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Doron Zeilberger – MathisFun
Doron Zeilberger – MathisFun emphasizes not only the usefulness and practicality of mathematics, but how the problem solving associated with it can be fun and engaging.
Additional Info: Plan Geometry: An Elementary Textbook
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Women in Number Theory
WIN: Women In Number Theory aims to give credit and promote women who work in number theory and all the incredibly valuable work they contribute to the field. The site details upcoming conferences, important female number theorists, great resources, and much more.
Additional Info: Female Number Theorists
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GRASP
GRASP from the University of Texas at Austin is a lecture series that focuses on fundamental concepts of geometry representations, and even elements of physics. The lectures are given on a fairly regular basis, so it’s an important resource to keep up on the latest happenings.
Additional Info: The University of Texas at Austin Mathematics Department
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The Mathematical Atlas
The Mathematical Atlas guides users through use about every area they would need help with concerning mathematics. The site starts with broader topics and increases refinement as the page goes on.
Additional Info: Foundations
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Thinking Mathematics!
Thinking Mathematics! Is designed to be a go-to guide not only for teachers of high school math, but for students as well. The posts help teachers with innovative methods for conveying knowledge that will stick and helps students with the easiest steps to lifelong comprehension.
Additional Info: Learn To Think!
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QuickMath
QuickMath is a fascinating breakthrough technologically that allows students to input problems and it will solve the equation step-by-step for you. This is great for students struggling to understand how to get a solution and just need guidance.
Additional Info: Expand
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Wolfram | Alpha: Math World
Wolfram | Alpha: Math World is an impressively dense source for working to understand different parts of mathematics, ranging from simpler elements, such as algebra, and all the way through calculus and statistics.
Additional Info: Number Theory
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The Math Forum @ Drexel
The Math Forum @ Drexel helps bring people together, including students, teachers, parents, and even researchers. When looking for help concerning math and a place to discuss problems with others, this should be a definite source to check out.
Additional Info: Problems and Puzzles
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Wild About Math
Wild About Math takes on the initiative of making math more fun and accessible, noting that it’s a great way to stimulate educational progress, build problem solving skills, and have fun. Author Kiki Prottsman does a fantastic job, even by including great podcasts.
Additional Info: Kiki Prottsman – Inspired by Math #31
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What’s New
What’s New is full of updates on research, discussions, and math-related topics from Terence Tao. Since the site is so regularly updated, it is an important place to check for the latest in research pertaining to mathematics.
Additional Info: An Improved Type 1 Estimate
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Division by Zero
Division by Zero focuses on math, teaching, and the innovations within academic technology as they’re relevant to math. The posts are great because of their depth and candor.
Additional Info: Using a Kayak to Measure the Perimeter of a Lake
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Mathblogging
Mathblogging is a fun site where users can check the pulse of what’s currently going on within the math community, along with interesting news articles and more.
Additional Info: Mathematical Instruments
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Good Math, Bad Math
Good Math, Bath Math aims to promotes the best practices in mathematics that are the most intuitive to learning, while weeding out less effective methods.
Additional Info: Infinite Cantor Crankery
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The Number Warrior
The Number Warrior is written by a high school math teacher who has a refined interest in better forming the education system to make it more effective for students to learn math and teachers to teach it. The posts all look at topics within mathematics and shines a great light onto them.
Additional Info: The Origami Proof That The Square Root of 2 is Irrational
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Math-Blog
Math-Blog focuses more on different developments in the math field rather than problem solving or research, but it’s still a very worthwhile place to read some quality information on different subjects, history, and even get some unsolved problems.
Additional Info: The Mathematics of the Manhattan Project
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Planetmath
Planetmath is a virtual community which works to create content for and by mathematicians. The page discusses many different theorems and hypotheticals, but also has articles, problems, and a great collections section.
Additional Info: Collections
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Math Mistakes
Math Mistakes shows visitors to the site how to avoid common pitfalls when working in mathematics and how people end up in those particular situations. Aside from useful guide on how to avoid making errors, it shows views how to properly reinforce the correct principles.
Additional Info: Algebra Facts
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Math Archives
Math Archives is designed for teachers to have all the materials available to properly educate students and succeed in a lasting impression. It also helps with some of the more complex elements of calculus to make sure that the proper methods are conveyed.
Additional Info: Calculus Resources
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European Mathematical Information Service
The European Mathematical Information Service provides great resources for professional mathematicians and has done so for nearly 20 years online. The site has information on financial mathematics, statistics, education, and more.
Additional Info: Classical Works, Selecta, and Opera Omnia
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Republic of Mathematics
The Republic of Mathematics aims to provide great solutions that promote more efficient teaching from educators and more engaged students. The posts stay approachable and don’t delve into equations or problems that are overly complex, so it’s a great resource for both educators and students alike.
Additional Info: The Leading (base 10) Digit of an Integer
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Math Overflow
Math Overflow allows anyone to ask or answer questions pertaining to mathematics and then the best answers are voted up the list to the top. It’s a great way to find answers to complex questions within a community of experts.
Additional Info: Questions
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If Wisdom Were Teachable
If Wisdom Were Teachable aims to instill the crucial elements of mathematics into individuals since as the namesake of the blog implies, wisdom is not teachable. Their perspective is that mathematics is the most attainable option.
Additional Info: The Central Amenability Constant of a Finite Group: Part 3 of n
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Plus Magazine
Plus Magazine chronicles the application of mathematics in a variety of real life situations, many times stemming from interesting pieces of news.
Additional Info: Packages
Algorithms, Programming & Software
Computer science is one of the most common applications of mathematical knowledge today, and using algorithms and computational processes to make work easier and eliminate manual problem solving is a major plus.
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Math | Programming
Math | Programming is run by a Ph.D. student at the University of Illinois in Chicago who chronicles real-life solutions to problems he finds and their rooting in different mathematical principles.
Additional Info: Main Content
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CSE Blog – quant, math, computer science puzzles
CSE Blog – Quant, Math, Computer Science Puzzles is a great source for those in a math-related field to push themselves, further develop their problem solving skills, and even prepare for interviews.
Additional Info: Another Coin Problem
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Healthy Algorithms
Healthy Algorithms centers content around TCS and ACO applications with a goal of providing useful research for the Institute of Health Metrics and Evaluation at UW.
Additional Info: The Key to Interaction in D3js
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Mathematics and Computation
Mathematics and Computation is all the need-to-know information that pertains to mathematics for computers. The posts go over different types of theory and it’s a really great place for all those involved with technology.
Additional Info: Free Variables Are Not “Implicitly Universally Quantified”!
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Algorithmic Solutions Software
Algorithmic Solutions helps to provide software and consulting. They use algorithms and data structures to innovate and drive the software industry forward.
Additional Info: LEDA
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Macaulay2
Macaulay2 is software designed to support research in geometry and algebra. It’s been funded by the National Science Foundation since 1992 and is a really great initiative for delving deeper into different aspects of math.
Additional Info: Events
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Jenn3d
Jenn 3d is a very cool site that allows users to tinker with different quotients of Cayley graphs and embeds them into a 3 dimensional sphere, which creates very interesting designs. The software is used to make different patterns for clothing, visualizers at dance parties, and much more.
Additional Info: How Do I Use Jenn?
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Analytic Bridge
Analytic Bridge fills the gap between data intelligence and business analytics in an effective manner that allows for large insight into different operational mechanisms with the contemporary business landscape.
Additional Info: Who Has The Largest Predictive Data Analytics?
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Honglang Wang’s Blog
Honglang Wang’s Blog breaks down statistics, biostatistics, mathematics, and machine learning. Where the blog is most effective is when providing detail on aspects of big data and its future role in the world.
Additional Info: Think About Statistical Interferences from the Ground Up Again
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Modulo Errors
Modulo Errors focuses on different aspects of being a mathematician and also is the author’s different research interests, which include computational, experimental, and algebraic number theory.
Additional Info: The Benign Dictatorship of the London Underground
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GeoEdit
The idea behind JeoEdit is to most aptly convey useful information to the computational geometry community in order to help it have a place online to work with algorithms and theorems.
Additional Info: Applet
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Machine Learning (Theory)
Machine Learning (Theory) aims to assist those in academic research who work with learning and learning theory. The concept is interesting and posts often cover large ranges of topics.
Additional Info: The Benefits of a Double-Blind Review
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Peanut Software Homepage
For math and computer science students, the necessity for good information on math and computing is very large. Peanut Software Homepage provides some great building blocks for these things.
Additional Info: RSS Feed
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Topology and Geometry Software
Topology and Geometry Software focuses on different games and interactive tools for making interesting graphics. It’s a great way to show others how math can be applied to areas less known.
Additional Info: Torus Games
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bit-player
bit-player focuses on computation and mathematics. The writer of the blog is also the Senior Writer for American Scientist, who manages the magazine’s computation and mathematics column.
Additional Info: Dancing with the Spheres
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Algorithmic Combinatorics Software
Algorithmic Combinatorics focuses on some of the most pertinent algorithms and summations in mathematics to make a good foundation for any aspiring mathematician.
Additional Info: fastZeil
Physics & Calculus
Physics applies mathematics to the most basic ways that the universe functions. Physicists use math to build theories of how things work that can then be experimentally verified.
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The Calculus Page Problems List
The Calculus Page Problems List is a great guide for breaking down all of the most crucial elements of calculus that cause problems for students and mathematicians alike.
Additional Info: Limits of Functions as X Approaches a Constant
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OpenCalculus
OpenCalculus works to provide free calculus resources to students. All the material is open-source and is great for instructors to build off of.
Additional Info: Screencasts for Active Calculus and the Inverted Classroom
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Calculus Humor
Calculus Humor is a fun way to look at calculus and provides a relatively low-pressure avenue to look at it through. The jokes really are funny and make for a nice way to blow off steam for the math junkies.
Additional Info: Proofs
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Soul Physics
Soul Physics looks at the philosophy of physics and provides a wealth of very interesting information pertaining to philosophy and its impact on physics.
Additional Info: What is a Superselection Rule?
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Ramblings of a Short Fat Failed Physicist
The blog Ramblings of a Short Fat Failed Physicist chronicles Chris, who has strong interests in physics, philosophy, music and the arts. The blog is interesting, particularly because of the mix of interests and his pursuit of a second degree via Open University.
Additional Info: Coursera
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Physics and Maths info @ Imperial College London Library
Physics and Maths Info at Imperial College London Library keeps users up to date with all the latest happenings and math-related books to arrive to their collection. For students at the college, it’s an invaluable resource to know when they’re able to expand their horizons mathematically.
Additional Info: SIAM ebooks now available
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Teaching Calculus
Teaching Calculus is run by a seasoned Calculus teacher who aims to equip others with the know-how to successful convey the complexities of Calculus to others in a fashion that is intuitive to educating others.
Additional Info: Thru The Year
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Math 132
Math 132 focuses on all the information students in the course will need to know when enrolled at UMass. It breaks down what will be on exams, along with what students can expect from homework assignments.
Additional Info: Exams
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Mathematical Tools for Physics
Mathematical Tools for Physics is used for Physics 315 from the University of Miami and is designed to accompany classwork and make the material easier to comprehend.
Additional Info: Basic Stuff
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NOVA: Physics & Math
NOVA: Physics and Math from PBS is an awesome source for students and non-students alike to get valuable information as to many different elements of the world, space, and much more. The physics and math section shows all the ways that these elements impact every facet of our lives.
Additional Info: Article
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Do the Math
Do the Math presents an interesting perspective for mathematics. Site-Runner Tom Murphy focuses on physics and mathematics to solve problems in energy, growth, and other real-world dilemmas.
Additional Info: Useful Energy Relations
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Taking up Spacetime
Taking Up Spacetime is largely rooted in foundational issues in different aspects of physics, but also the philosophy of these elements, including the metaphysics of science, specifically space, time, determinism, causation, and many others.
Additional Info: Philosophers of Physics
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Physics Forums
Physics Forums should be one of the first places to come when there are inquiries to be made concerning mathematics and physics questions. The site has many experts posting replies, so you can always be sure to have someone to help.
Additional Info: Math and Science Learning Materials
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Visual Calculus
Visual Calculus was originally designed to help instructors cater to those who learn better visually and use computers, in some aspects, to teach calculus. Over the years, the collection has been expanded greatly and is very useful for teachers and students alike.
Additional Info: Limits and Continuity
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Felicitations from a physicist of fluid fluctuations!
Felicitations from a physicist of fluid fluctuations is run by Computational Geophysicist Andy Ganse from the University of Washington, Seattle. His posts showcase his impressive amount of knowledge for very complex information, but it’s still useful for seeing what’s going on in the world of applied physics.
Additional Info: Server With a Fringe on “top”
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Physics Math Review
Physics Math Review underlines how math is the foundation of physics, so in order to succeed in physics, you must first succeed in math. The site breaks down some of the most important math skills that directly translate to physics and explains their use.
Additional Info: Solving for a single variable in a first degree equation
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Journal of Mathematical Physics
The Journal of Mathematical Physics is a leading source on research pertaining to some of the most crucial elements concerning how mathematics impact physics. It’s a great source for reading some of the latest news in the field as well.
Additional Info: J. Math Phys
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Mathematics Rising
Mathematics Rising focuses on the prevalence of mathematics in society and it’s practical application in a variety of settings. More importantly, it’s a great source for seeing how math intersects in just about any field.
Additional Info: Things Versus Relations and Objects Versus Properties
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Guide to Math Needed to Study Physics
The Guide to Math Needed to Study Physics is a foremost source when it comes to understanding what steps within mathematics are necessary to successfully enter into physics and more.
Additional Info: Black Holes
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M-Phi
Mathematical Philosophy is a very refined subject and M-Phi approaches it with tact and intelligence. The posts are rooted in symbolic logic and its place in mathematics.
Additional Info: 101 Dalmatians
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Zona Land Education
Zona Land Education shows all the different items and how much of an influence either into math or science they may have. They have great resources on physics and mathematics as well.
Additional Info: More Science Than Mathematics
Math for Artists
Fractal imagery, four dimensional objects rendered as three dimensional sculptures, and recursive drawings like those of M.C. Escher are among the many ways that mathematics can be applied to the creation and understanding of artwork.
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Lost in Recursion
Paul Salomon runs Lost in Recursion and it focuses on his life as a math teacher, as well as detail his life as a mathematical artist. He explains his love for teaching and helping others and the posts on the blog are really fun and engaging.
Additional Info: Memories of a Musician
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Math Goes Pop!
Math Goes Pop! looks at the very interesting relationship that math and pop culture have together and the posts are fun ways to look at data and understand its significance to our lives.
Additional Info: Math in the Movies
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Mike Naylor’s math blog
Mike Naylor’s Math Blog has some of the best ideas and math related content when it comes to finding innovative new ways to teach. The site’s awesome ability to pull the reader in while simultaneously being educational is almost unparalleled.
Additional Info: Factor Visualization
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George W. Hart
George W. Hart is a freelance mathematical designer and sculptor based in New York who focuses on how math can impact elements of design. His site breaks down all the places his work has been shown and is an innovative tool for understanding some of the other practical uses for math.
Additional Info: Athens, Greece
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Virtual Math Museum
The Virtual Math Museum showcases some of the most interesting art created from math equations and goes into many different elements of how they create the shapes they do.
Additional Info: Classic Space Curves
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Dennis Brady Studios
Dennis Brady is a self-taught fractal artist who has worked with mathematics and digital computer art for over 25 years. The site showcases some of the incredible ways that math can create art.
Additional Info: Vertical Panoramas – Digital Art
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Oskar van Deventer
Oskar van Deventer runs Puzzles, a website devoted to showcasing all the different types of puzzles he has made. Additionally, Oskar has contributed significantly to the Dutch Research Institute and is a senior scientist on network and service control.
Additional Info: Oskar’s Games on Nintendo 3DS
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Bret Victor
Bret Victor is aims to change how people learn, understand, and create. He helps utilize his education and expansive knowledge on physics and mathematics to improve the way we all interact and think.
Additional Info: Investing on Principle
Assorted Topics
There are far too many sub-topics in mathematics to adequately categorize them, but since the many niches of mathematics are so interrelated, reading about one topic can provide flashes of insight about many others.
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Crewton Ramone’s Blog of Math
Crewton Ramone’s Blog of Math is an awesome way to get all the math info you could want in a convenient source and in a form that is easy to understand. The posts are fun and are very intuitive to learning.
Additional Info: Understanding Ratios Using Base Ten Blocks
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Experiencing Geometry: Euclidean and Non-Euclidean With History
Experiencing Geometry: Euclidean and Non-Euclidean With History is a book that has been published online that highlights the history of geometry, starting with its early beginnings and all the way to its current form.
Additional Info: Supplementary Reading
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Computational Geometry Pages
Computational Geometry Pages focuses on the meetings and guidance the Symposium on Computational Geometry provides to the mathematics community. It’s a very useful tool for gaining information on upcoming meetings and more.
Additional Info: First Opinion Poll
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Geometry Engine Open Source
Geometry Engine Open Source is a fantastic collaboration among many different people, due to it being open source, and it works to streamline some different programming functions relevant to C++.
Additional Info: Timeline
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Society for Industrial and Applied Mathematics Student Blog
The Society for Industrial and Applied Mathematics is incredibly dense with some of the most useful information pertaining to students and ensuring they have all the resources available to succeed when it comes to mathematics.
Additional Info: Virginia Tech’s First Poster Session
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College Algebra Practice Tests
College Algebra Practice Test is a site that breaks down all the parts of algebra you can expect to see on a college-level algebra test. For high school students preparing for college or those currently enrolled, it’s a great way to stay on top of the course load.
Additional Info: Chapter 1
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Aleph Zero Categorical
Aleph Zero Categorical is the mathematics blog of Jason Polak, a Ph.D. student at McGill University, who posts random musings concerning math and different things he finds interesting.
Additional Info: Semisimple or Unipotent Borels are the Whole Group
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Geometry Algorithms
Geometry Algorithms is a full list of algorithm titles and provides great content for understanding what each one does and the significance of it.
Additional Info: Basic Linear Algebra
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Overthinking my teaching
Overthinking My Teaching shows the perspective of a teacher who is always questioning his teaching methods and looking for ways to improve how effective mathematics are integrated into society.
Additional Info: Schools for Tomorrow Conference
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The Combinatorics Net
The Combinatorics Net publishes impressive combinatorial mathematics and cover a wide range of areas, not limited to, but including science, biology, statistics, probability, topology, chemistry, and much more.
Additional Info: Resources
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Algebraic Geometry
Algebraic Geometry is an open-access journal from the Foundation Compoitio Mathematica and has an intent goal on providing the finest in research pertaining to algebraic geometry and related fields.
Additional Info: Foundation Compoitio Mathematica
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Climbing Mount Bourbaki
Climbing Mount Bourbaki chronicles the journey of one mathematics undergraduate student as he compares the journey of attaining his degree to climbing a mountain.
Additional Info: 27 Lines on a Cubic Surface
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Combinatorics and more
Cominatorics and More is written by a visiting mathematician at Yale University who works with geometric combinatorics to study very interesting convex polytopes and other information.
Additional Info: Gina Says
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Process Algebra Diary
Process Algebra Diary posts papers that many times pertain to In-Process Algebra, but sometimes are just interesting or fun papers that relate to mathematics and computer science in general.
Additional Info: June Issue of the Bulletin of the EATCS
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Geometry and Combinatorics
Geometry and Combinatorics is written by a professor in the department of mathematics at the London School of Economics and Political Science. Posts provide great perspective from an obviously well-versed professional and it’s a great place to get started with combinatorics.
Additional Info: Journal of Computational Geometry
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The Electronic Journal of Combinatorics
The Electronic Journal of Combinatorics is one of the most accredited sources when it comes to research on combinatorics today. Additionally, they champion an open access approach that complements the community they work with.
Additional Info: Current