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I teach math to high schoolers in the San Francisco Bay Area. I'd like to get them out of the classroom on a field trip to a local math-themed destination. Any suggestions? [more inside]

I have just completed my MSc in mathematics in Europe. I do enjoy math, but I spent my uni years feeling like a autodidact hippie marooned on an island full of Mr and Mrs I-Want-A-Good-Job. My main interests revolve around humanities (literature/history/anthropology) and economics (but not finance), and instead of starting a "stable" well-paying career I dream about something inter-disciplinary. I am very open to earning little money and relocating just to do kind of work that engages those skills. What are some random uses of my degree? [more inside]

Non-obvious careers for someone with a B.S. in Applied Mathematics? [more inside]

Can/how can one improve the estimate for a chance of an event with a small historical sample size by utilizing the chance of a related event with a large historical sample size? Example and half-assed guess inside. [more inside]

Why do we have order of operations rules in arithmetic instead of just strictly evaluating expressions from left to right (possibly with parenthesis for grouping if we really wanted to change the order)?

I am looking for adult-oriented iOS apps that will help improve my math skills. [more inside]

My son is 10 years old and going into 5th grade in the fall (but he usually does 6th grade math). He likes Stack the States, and we're looking for a math app with similar appeal. We already have Sushi Monster and his younger sister loves it, but I'd like something more challenging for him.

Help me with statistics and Excel. Especially help me if you know any labor saving methods. I want the median, mean and standard deviation for the average price of all items sold, but my spreadsheet-full-of-data doesn't tell me the price of each sale -- just the average price per store, and the number sold at that store. Something like this: [more inside]

My math knowledge ends just past Newton. What books provide a good, relatively general-audience introduction to the past 150-250 years of problems and developments in mathematics? [more inside]

I'm wondering, after breakfast, and a shower, and a commute, and coffee - what is next? [more inside]

For a work assignment, I need to come by a conceptual understanding of modular forms that's light on jargon and, ahem, actual math. If such a thing is possible.

I'm a 21 year old college senior liberal arts major who has managed to slide by in school (and life) without ever really learning math beyond a middle school/very early high school level. For no reason in particular, I've decided that I want to get serious about bettering myself in the math department. How can I teach myself the academic math skills I missed out on? [more inside]

Mathematics-filter: If there are seven funds with various charges, how can I work out the allocation to these funds of a fixed amount so that the weighted mean charge is below a certain level and the allocations are of similar sizes? [more inside]

Can anyone point me towards a good resource for learning more about Poul la Cour's work on wind turbines? Or other historic wind turbine work? [more inside]

Sweet descriptions of the empty set? [more inside]

My math skills are no where near where I'd like them to be. Can you recommend a self-paced math learning site? Pretty much any branch of math can apply. [more inside]

I was helping my 4th grade age sister-in-law with her math homework, and came across a question that I couldn't figure out. Can you do it? [more inside]

Now that I'm back at college, I'm having serious trouble with an elementary course in Discrete Mathematics (for computer scientists). How can I complete this course? [more inside]

I have forgotten basically all of math, and I want to learn it again from the ground up. [more inside]

I have a B.S. in Math, but I haven't been able to find a job in my field. What can I add to my undergrad degree to be more competitive in the job market? [more inside]

Any good math or physics neckties? [more inside]

Can you cite any examples where a technological breakthrough wasn't possible until there was some sort of mathematical breakthrough? [more inside]

I have a Master's in math, and would like to get a job in the tech industry or a laboratory, but my resume is very teaching-oriented. I would like tips on retooling it to make myself more attractive. I also have several months to improve my skills. [more inside]

Any recommendations for a good graduate level text book for an introduction to mathematical finance course? [more inside]

Why should I study math? [more inside]

I'm a pure mathematician with a Ph.D. and I'm currently a visiting professor at a large state university. However, I'm looking to switch gears and get into the quantitative finance field. The problem is that I don't know anything at all about finance. I know that there are companies such as D. E. Shaw that hire mathematicians that don't have financial experience; what other companies should I look at? Is there any general advice you'd give someone in my position? Also, I have my Ph.D. from a well-regarded state school, but I'm not an Ivy-leaguer; does that put me at a disadvantage?

I have a learning disability (dyscalculia/mathematics disorder). Could I handle the formal language component of an undergrad Introduction to Logic class? [more inside]

I get to teach myself Cryptography for a class, please help me pick my book! [more inside]

Why doesn't the OED have better coverage of mathematical terms? Is this an area they want to improve on, or have they drawn a line of obscurity somewhere that just leaves out more than I expected? [more inside]

Calling all math lovers! Great mathematics toys/gifts for adults? [more inside]

I'm trying to find a website that teaches vector mathematics in lesson form. [more inside]

MathFilter: Is there a relationship between the number of dimensions in a Euclidean space and the number of regular tessellations of that space? [more inside]

"Count all the ways that 15 objects can be put into four piles so that each pile has a **different** number of objects in it." Is there a smart general method for solving problems like this? Feel free to assume uniqueness/non-emptiness of the piles if it helps. (Not homework)

My favorite number is 0. I have many reasons for this, but I want more. [more inside]

I have always had difficulty with mathematics. Now I'm in my mid-thirties and have gone back to school to study engineering. Things are not going appreciably better than they did the first time I went to university. What can I do to fill the gaps I have and become a skilled problem-solver? I want to go from being a C to being an A student. [more inside]

Why do people care about Cramer's rule? [more inside]

About to obtain a PhD in mathematics, and questions about employment. [more inside]

I'm registered for a Web Analytics class. A prerequisite is "Familiarity with basic concepts of statistics." I'm not a math person and never studied statistics. Which basic statistics concepts should learn before this class? Are there any comic books, videos, or fun resources that would help me learn? [more inside]

What is the next step of this Kenken? [more inside]

Recently, someone described a 10-volume mathematics textbook series to me. The books were written by a single author, an engineer with a name that sounded Greek, and came with full worked solutions to every single problem, making them ideal for self study. Unfortunately, they could not remember its title, and my attempts to find it with Google and Amazon have failed.
Has anyone come across this series?

Please provide me with an *effective*, and statistically sound, table/chart listing suggested sample size guidance for associated population size [more inside]

I've got these 2 math problems that are driving me crazy. Business optimization. Please help. [more inside]

I am looking for a math typesetting style guide. By this I don't mean the kind of stylesheet for journal submissions that says "Be sure to use the blah-blah-blah LaTeX package and the XYZ equation environment, and our army of editorial assistants will tie up the loose ends and knock off the rough edges." (Why not? Because my advisor is involved in starting a new journal, and suddenly my labmates and I *are* that army of editorial assistants.) [more inside]

Is there an enumeration of complete chess games? [more inside]

I've never seen this mathematical symbol used this way before. Can anyone tell me what it means? [more inside]

MathFilter, NumericSimplificationFilter, RecursionFilter, ExcelFilter: Where X_1,X_2,...,X_n can be any number, is there a name, simplified series, or equation to describe: (X_1)+(X_1+X_2)+(X_1+X_2+X_3)+...+(X_1+X_2+...+X_n) ? Seriously seriously insane exel implementation question inside. [more inside]

I have been attending graduate school in mathematics for the last 3 years, in hopes of getting a Ph.D. It hasn't exactly worked out - I'm taking my Master's and getting out of here. What can I do now? [more inside]

When did "Maths" change to "Math" in American English? Or is it the other way around? [more inside]

As a former scientist, help me gain some faith in economics. What were the great successes of economics as a tool for making better decisions in the last 100 years? [more inside]