This tag is for questions that are asking for online resources in mathematics (references, dictionaries, encyclopaedic collections, online tools, videos an lectures, etc), or asking about the mathematics behind tools and technology found on the internet.

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5
votes
3answers
622 views

Infinite Series Manipulations

Is there any comprehensive list (books, online, ...) of rules for manipulating infinite series (partial sums) to find convergence of a sum? Often authors use some "trick" to compute an infinite ...
1
vote
0answers
59 views

Looking for specific resource on the classification of complex irreducible representations of metacyclic groups

My apologies in advance if this question is in any way out of place. I'm currently need of a classification of complex irreducible representations of metacyclic groups. My current reference ...
5
votes
2answers
412 views

How can I find videos of mathematics at graduate level, especially on linear algebraic groups

I am studying mathematics by myself, and I find it very helpful to watch online course videos. There are many such videos on undergraduate courses, such as elementary calculus, abstract algebra, ...
3
votes
1answer
782 views

Formula for the $n$th prime number: discovered? [closed]

I happened to stumble upon this page. Does anyone know about the validity of this claim?
23
votes
5answers
3k views

Chatting about mathematics (with real-time LaTeX rendering)

Do you know about some tools which can be used for online chat about mathematics? In particular, I am interested in software which would be able to render LaTeX formulas. (Since LaTeX is probably the ...
15
votes
5answers
2k views

What does Khan Academy have to offer? Depth? Rigor?

Khan Academy - http://www.khanacademy.org/ - is often cited as a great online resource for learning mathematics and other subjects. I have heard many good things about this website and was wondering ...
1
vote
0answers
200 views

Lesson plan for teachers

I teach mathematics at school level. Lesson plans are soul of any lesson that a teacher takes in a class. I want to create lesson plan on different mathematics topic as per the level of the syllabus ...
25
votes
1answer
393 views

How to search the internet for strings that consist mostly of math notation?

Is there a trick to search the internet for math notation? For example what if I want to search the internet for "X / ~" ? The default google search is useless for this and for similar searches ...
3
votes
4answers
320 views

A resource of exercises about induction and combinatorics

I'm looking for a book, webpage or similar resource with a lot of exercises about induction and combinatorics at basic level.
2
votes
0answers
108 views

Resources for practicing Maths

There are a few posts on Resources for learning maths. But I am looking for practice questions preferably with solutions. Are there any you would recommend? Online or Books I am currently a Computer ...
5
votes
2answers
232 views

Expository texts on advanced subjects

I'm reading The Princeton companion to Mathematics and Basic Notions of Algebra by Shafarevich. Both of them are really pleasant reading, the first one treats the topics from a more elementary point ...
2
votes
2answers
410 views

Is there a comprehensive algebra exercises site online?

I'm trying to find a place that has guided walkthroughs/answer guides for intermediate algebra, college algebra, and precalc. Maybe trig, also. Any ideas?
5
votes
4answers
2k views

Where can I download Discrete Mathematics lecture videos?

Good morning, I'm doing a course in Discrete Mathematics (so far: Four Colour Theorem, Intro Graph Theory, Intro Logic Theory, Intro Set Theory and Intro Proofs) at University, but unfortunately they ...
3
votes
1answer
161 views

Resources for Learning Octave

I belive Octave is a popular free/OSS alternative to MatLab? So where can I find some resource for learning how to use it? Perferrably videos but any will do.
35
votes
13answers
2k views

Is there a good “bridge” between high school math and the more advanced topics?

I love math and would like to know more of it. However, whenever I try to pick up a book on what I consider to be "advanced" mathematical topics, I often have a hard time understanding some of the ...
12
votes
8answers
9k views

Online tools for doing symbolic mathematics

This question is similar to this one, but specifically relates to resources available strictly as on-line web apps. Examples include: Wolfram Alpha Sage Notebook hicalc not sure what this is; the ...
13
votes
4answers
3k views

Generating functions for combinatorics

I have no formal education in generating functions, but, based on another question, I have seen that they can be powerful for combinatorics. Are there a few general principles for using generating ...
4
votes
4answers
543 views

Is there a good online dictionary/encyclopedia for mathematics?

I'm an engineer/physicist by training, and typically, my publications are in journals where the readers do have an semi-advanced understanding of math, but not at a serious mathematician's level. So ...
5
votes
1answer
3k views

Which are good resources to self-teach mathematics?

I am teaching myself mathematics using textbooks and I'm currently studying the UK a-level syllabus (I think in the USA this is equivalent to pre-college algebra & calculus). Two resources I have ...
6
votes
3answers
643 views

Mastering Math - Grade school- to College-level?

I'm having difficulty with my math, fractions and up. I used to understand it all, but it's been so long since I've touched the book (I finished it a couple of months ago, picked it up to review ...
7
votes
2answers
351 views

Share my maths video on the internet [closed]

I make some videos of math courses on the internet and some of them are in English. I want to find some where to upload it. Who can help me with this issue? I only know about Youtube, but that is ...
8
votes
5answers
566 views

General Introduction to Functional and other Mathematic Notations

I've been a programmer for a good while now. Fairly experienced at a bit of math as far as coming up with algorithms and such but I am far far behind on understanding quite a deal of notation. Here ...
3
votes
2answers
790 views

Good Online Resources to learn Multivariate Statistics?

Are there any good online resources to learn multivariate statistics? ( With topics such as Multiple Linear Regression, Principal Component Analysis, Factor Analysis, Cluster Analysis and ...
10
votes
7answers
10k views

Are there any good Discrete Mathematics video online?

I want to learn discrete mathematics by reading book by myself but I find sometime it's very hard to understand what author trying to say. I want to know, are there any good online video that teach ...
7
votes
3answers
2k views

Linear Algebra exercises available online?

Is there a good source of undergraduates linear algebra problems available on line? Do you have any better idea of how to resharpen my linear algebra skills?
3
votes
1answer
155 views

Good resource of maths problems with solutions

I'm searching for a good book or web page that has a good amount of problems and their solutions, at undergraduate level, of divisibility, inequalities, induction, etc. Thanks in advance
1
vote
3answers
1k views

maximum number of collinear points?

I know this is a very standard question widely popular in the Internet and the Mathworld. I myself have solved the above problem is N^2 Log N avoiding floating arithmetic.However, can anyone give me a ...
13
votes
4answers
735 views

Introduction to Filters in Topology

Question: What are some good resources for a student who has taken algebraic and point-set topology and who wishes to learn how filters and ultrafilters are applied in topology? Motivation: I've seen ...
11
votes
6answers
9k views

Can I learn Calculus on the web, for free, using simple tutorials?

I'm a lazy type of person. I love experimenting with things before learning the theory. I like to practice, and learn from my mistakes. In 3-4 months I have a basic University exam on Calculus, and ...
6
votes
1answer
285 views

Known bounds and values for Ramsey Numbers

Is there a good online reference that lists known bounds on Ramsey numbers (and is relatively up to date)? The wikipedia page only has numbers for $R_2(n,m)$. I am specifically interested in known ...
34
votes
7answers
26k views

Online tool for making graphs (vertices and edges)?

Anyone know of an online tool available for making graphs (as in graph theory - consisting of edges and vertices)? I have about 36 vertices and even more edges that I wish to draw. (why do I have so ...
1
vote
4answers
334 views

Which discussion board is good for homework questions?

I'm a CompSci university student and i want some help for my math questions. Therefore i am looking for a good discussion board for math homework questions. I don't know any (good), because I come ...
10
votes
5answers
5k views

Resources/Books for Discrete Mathematics

I am going to a Computer Science Course in University next year. I heard that Discrete Mathematics is whats required for Comp Sci so, I am looking for resources/books that I can read to get started ...
1
vote
2answers
1k views

What is the largest prime less than 2^31?

I'm sorry for this kind of specific question, I'd love if you could link to resources (prime lists, etc) that can answer similar questions more generically.
1
vote
2answers
118 views

Website for Elsevier Encyclopedia (or glossary)?

I'm quite positive that I saw before an encyclopedia (more accurately, dictionary/glossary) on Elsevier website. I remember I looked up the definition of a hyperplane there, few months ago. But I ...
2
votes
1answer
211 views

good online resources for 2nd-order system dynamics

I'm looking for good online resources for 2nd order system dynamics. Any recommendations? I'm looking for stuff that ideally includes discussion of Q, damping ratio, overshoot, bode plots, for ...
27
votes
10answers
2k views

Online resources for learning Mathematics

Not sure if this is the place for it, but there are similar posts for podcasts and blogs, so I'll post this one. I'd be interested in seeing a list of online resources for mathematics learning. As ...
75
votes
23answers
11k views

List of Interesting Math Blogs

I have the one or other interesting Math blog in my feedreader that I follow. It would be interesting to compile a list of Math blogs that are interesting to read, and do not require research-level ...
36
votes
9answers
7k views

List of interesting math podcasts?

mathfactor is one I listen to. Does anyone else have a recommendation?