How (if possible) can you find the domain and range of a graph on a graphing calculator (which in my case is a TI-84 Plus)?
posted on May 8, 2008 - 3 answers

What software can I use to create mathematical animations? [more inside]
posted on May 2, 2008 - 13 answers

Trying to find similar songs like these: electronic-ish with math-like beats. [more inside]
posted on May 2, 2008 - 36 answers

Can one perform Pearson's correlation or a variant with unequal numbers of rows? [more inside]
posted on May 1, 2008 - 7 answers

Is there a means of fitting curves to several independent series of points with the property that, if all the points at any given x in the original data have a constant sum, all of the interpolated points at any given x have a constant sum? Is there a means of doing so which generates a set of cubic or quadratic Bezier curves which I can use in SVG rather than a series of points or a function? [more inside]
posted on Apr 24, 2008 - 18 answers

Arrr. There may be Quizzo booty to divide, but I want to do it fairly. This is more math than I can handle. [more inside]
posted on Apr 24, 2008 - 11 answers

Does anyone have experience with self-treatment as an adult with dyscalculia? I think I may have it, and that I've had it all my life. Whether or not that's so, are there any tricks to "rewiring" yourself? [more inside]
posted on Apr 22, 2008 - 7 answers

Looking for summer courses in differential equations, online or in the Los Angeles area. [more inside]
posted on Apr 16, 2008 - 3 answers

Help me choose between grad schools: I am accepted (with fellowships) to the math depts at both UC Davis and Penn State. Where do I go? [more inside]
posted on Apr 15, 2008 - 8 answers

Life after high school? How to decide? [more inside]
posted on Apr 14, 2008 - 6 answers

College prof keeps marking my math tests incorrectly. What do I do? [more inside]
posted on Apr 9, 2008 - 48 answers

Where can I find basic math problem trainers? [more inside]
posted on Apr 7, 2008 - 4 answers

There's a smart freshman who's going to be in my school's Academic Decathlon team next year. However, Academic Decathlon tests over all of high school math, so I ask: How can I teach a fast learner an overview of high school math in around 7 months? [more inside]
posted on Apr 3, 2008 - 6 answers

I tutor several people in a "Mathematics for the Social Sciences" course at a local university. This semester the material is focused on matrix algebra. For the most part, they have no trouble wrapping their heads around the notions of basic vector operations, row reduction, systems of equations, inverse matrices and determinants. But, they have a lot of problems with more abstract concepts such as linear independence, subspaces, basis and dimension. I'm wondering if anyone has any tips on helping them visualize and understand these ideas more clearly.
posted on Mar 30, 2008 - 7 answers

[Math filter] What fascinatingly cool mathematical topics do you wish you knew about in high school? [more inside]
posted on Mar 27, 2008 - 101 answers

Is it possible to estimate the standard deviation of an investment's return after "y" years, if you know the investment's mean annual return and standard deviation? [more inside]
posted on Mar 25, 2008 - 14 answers

How do I generate a bingo game with a predetermined number of winners? I'll have control over the cards printed and over the list of numbers to be called out. (Specifically, 15 winners out of 15,000 cards.)
posted on Mar 24, 2008 - 10 answers

Math/mapping question: I'm trying to use a formula to convert latitude/longitude into x and y values on a map. What are the reference longitude, reference latitude, and the standard parallels? [more inside]
posted on Mar 18, 2008 - 5 answers

What's the advantage of using radians instead of degrees? I've never had a satisfactory answer to this. In high school, we always used degrees to measure angles and starting in university we switch to radians. Is there really any benefit to using radians?
posted on Mar 9, 2008 - 15 answers

Statistics-filter: I need to establish to what extent student performance on a particular standardized test is predicted by each of the following: GPA, standardized test scores and a couple of other miscellaneous numerical factors. How do I go about this? [more inside]
posted on Mar 6, 2008 - 11 answers

Mathfilter: How many text messages (SMS) will fit on a floppy disk, or a CD-ROM? Once that number is derived, how much will it cost to send or receive that many messages if a consumer pays per message (American carriers or Intl carriers would be great)? [more inside]
posted on Mar 3, 2008 - 6 answers

Inspiring books about mathematics and statistics? [more inside]
posted on Feb 29, 2008 - 31 answers

HindsightFilter: Due to a lack of perspective I didn't give math the attention I should have. I want to now. [more inside]
posted on Feb 26, 2008 - 10 answers

How do I get excited about my research or is academia really for me? [more inside]
posted on Feb 19, 2008 - 19 answers

Color algebra: Given a color C, how do I pick a color F that will be color C when against background color B at opacity N? How would I do the same thing for a color multiplication? [more inside]
posted on Feb 18, 2008 - 18 answers

My cousin's four year old son is obsessed with things like quarks and infinity. He insists to his mother that infinity is the last number. She isn't so sure, and wants to know more about things like strangeness. I don't want to determine this kid's future, but it seems fun to feed his curiosity. And since my wife's babysitter was Murray Gell-Mann, the responsibility has fallen partially on my shoulders to help answer his questions. What kinds of information can you recommend that I give to his mother so that she, an attorney and not a mathematician, and her son can learn more about this information. In particular, what kinds of books, games, and projects would introduce him to other neat ideas in mathematics and physics?
posted on Feb 16, 2008 - 27 answers

Help me build a database of math problems to keep my skills sharp. [more inside]
posted on Feb 14, 2008 - 9 answers

How do I calculate the slope of two points in three dimensions? For example, what is the slope of the line that passes through points A(-5,-5,7) and B(3,0,5)? Please show your work. This is not a homework question. [more inside]
posted on Feb 8, 2008 - 16 answers

Can I use Excel to loop through lists of names and sum up numbers for each name, without having to define the cell ranges that correspond to each name? [more inside]
posted on Feb 5, 2008 - 4 answers

Where can I find which quantitative/technical skills are hot, and which ones aren't? [more inside]
posted on Feb 3, 2008 - 13 answers

I'm taking statistics math this semester, and I'm wondering if there be any geeky statistics math-related podcasts that will help me wrap my head around this tricky subject matter (and maybe even enjoy it). [more inside]
posted on Jan 26, 2008 - 9 answers

My geometry teacher in high school in 1984 showed us this puzzle. I was only half paying attention, but I believe the goal was to draw a line that intersected each segment only once. [more inside]
posted on Jan 6, 2008 - 14 answers

Please settle an ill-informed bar argument re. Russian Roulette. [more inside]
posted on Jan 3, 2008 - 25 answers

Statistics question: How can I calculate the odds of flipping a coin to get x consecutive heads anywhere within a data set of y flips. (more inside) [more inside]
posted on Jan 3, 2008 - 19 answers

Calculus II filter: I have trouble setting up the integral for the volume of a solid of revolution when it is being revolved around a horizontal or vertical line other than the x- or y- axis. Does anybody know a trick or mnemonic for these types of problems? [more inside]
posted on Dec 28, 2007 - 5 answers

Does doing math improve one's aptitude at math? [more inside]
posted on Dec 25, 2007 - 28 answers

I need a tool to help me analyze the probability of certain events occurring regarding a pool of X dice for a game I am creating. See my examples below. [more inside]
posted on Dec 21, 2007 - 7 answers

California has a new law that specifies limits for lead in jewelry products. Even though the answer to my question should be a no-brainer, I need to confirm: [more inside]
posted on Dec 21, 2007 - 9 answers

In Excel 2007, I need advice on how to round a series of prices to either a $0.50 ending, or a $0.95 ending. [more inside]
posted on Dec 20, 2007 - 10 answers

Given a fair die with s sides, what is the expected number of rolls r before I get o outcomes with the same value v in a row? [Note this is emphatically NOT a homework problem; I just really want to know, feel like I should be able to figure it out, can't, and it is driving me nuts.] [more inside]
posted on Dec 19, 2007 - 30 answers

FirstTimeTutorFilter: I'm plan to start tutoring Math, Chemistry, Physics and possibly ESL in January. Only problem is, I have *no idea what I'm doing*. Anyone have any textbooks, general teaching books, online certification courses, etc to recommend? [more inside]
posted on Dec 17, 2007 - 8 answers

How many different conversations can six people have? [more inside]
posted on Dec 13, 2007 - 18 answers

Teaching a university course for the first time: any tips or suggestions? [more inside]
posted on Dec 12, 2007 - 33 answers

My son asked me how many trees there are in the world. I know there are a finite number, yet I also know that it is not practical to count them. Same with grains of sand. When the set cannot be measured because it goes on forever we say the set is infinite. Is there a single word to express the concept of a countable, finite number too large to actually count? [more inside]
posted on Nov 30, 2007 - 42 answers

Help me create a function from a graph, details inside. [more inside]
posted on Nov 22, 2007 - 6 answers

What is the TERM for the three-decimal place, fraction-of-one "percentage" format used in baseball statistics? [more inside]
posted on Nov 20, 2007 - 15 answers

I'm failing Trig. What would be a good makeup assignment to suggest to my teacher? Do college teachers even do that kind of thing? [more inside]
posted on Nov 14, 2007 - 21 answers

Where am I going wrong with this (very simple) implicit derivative? [more inside]
posted on Nov 3, 2007 - 3 answers

Is there a method that exists for defining corner radius on a drawn box in Illustrator which scales proportionality based on a logarithmic scale that is directly related to the size of the box. [more inside]
posted on Oct 29, 2007 - 4 answers

Where can I take (or simulate taking) a basic calculus course for free or cheap. I don't care about credits or anything, I just need to defeat calculus. This time, it's personal. [more inside]
posted on Oct 25, 2007 - 14 answers