917 posts tagged with math.
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Statistics book for bioscience / medicine?

Can you recommend a statistics book which is appropriate for the stats required for basic bioscience / clinical research? [more inside]
posted by inbetweener on Jul 19, 2008 - 7 answers

How to calculate probability of being dealt certain cards?

You're dealt 8 cards face down from a 52 card deck. All values are determined by the number on the card, not the suit. What is the probability of each card being dealt? [more inside]
posted by b_thinky on Jul 9, 2008 - 12 answers

Math equation / algorithm for a database

I'm looking for some help with a math equation / algorithm I'm trying to create. I'm a programmer by trade and not very good at math so I'd like some help with this or perhaps a site where I could pay someone to come up with the equation I'm looking for. I considered rentacoder or elance however I'd be concerned if the companies there had the proper math knowledge. A lot of claims get made on those sites that turn out to be false. [more inside]
posted by JohnGL on Jul 3, 2008 - 6 answers

How do I create an algorithm to rate products?

This will expose my complete ignorance of math, but hey. I need a simple algorithm to calculate and display overall individual grades for similar products. [more inside]
posted by william_boot on Jun 26, 2008 - 19 answers

Help me get my math on

I need to brush up on my basic college math skills for a course readiness assessment in a week. What are some good resources online and what should I focus on? [more inside]
posted by baphomet on Jun 17, 2008 - 4 answers

How can I increase my chances at an 800 SAT Math?

I've studied for weeks (20 hours per week these past three weeks), I've paid attention in math class for years, and I've taken dozens of practice tests. But how to go from 780 to 800? [more inside]
posted by Precision on Jun 6, 2008 - 41 answers

Me Do Math Good?

How can I be better at math? I don't hate it, but I'm not good at it. [more inside]
posted by Phalene on Jun 5, 2008 - 21 answers

Help me learn math!

What are some good sources to teach myself advanced math in preparation for an econ/finance phd? [more inside]
posted by btkuhn on Jun 4, 2008 - 7 answers

Math students, you are getting such a raw deal.

Why doesn't Moore's Law apply to graphing calculators? [more inside]
posted by skryche on May 28, 2008 - 21 answers

Can I skip college math?

Is it possible to bypass a math course requirement at a community college? [more inside]
posted by Dreamcast on May 24, 2008 - 13 answers

How to find domain and range on graphing calculator?

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 by meta.mark on May 8, 2008 - 3 answers

How to make mathematical animations?

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

Please Rock My Boat

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

Correlation measurements of unequal vectors?

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

Fitting multiple curves with a constant sum?

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 by enn on Apr 24, 2008 - 18 answers

How do I divide prize money in the fairest way?

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 by shiu mai baby on Apr 24, 2008 - 11 answers

Maybe dyscalculia, maybe badly wired neurons

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 by anonymous on Apr 22, 2008 - 7 answers

Summer classes on differential equations for an LA resident?

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

Where should I go to grad school?

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 by milqman on Apr 15, 2008 - 8 answers

Budding New York City Math Teacher - what's the best course?

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

How can I get my college prof to admit he is wrong, and give me the marks I deserve?

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

Where can I find basic math problem trainers?

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

How can I teach someone high school math in 6 months?

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 by LSK on Apr 3, 2008 - 6 answers

Algebra for Social Scientists

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 by Proginoskes on Mar 30, 2008 - 7 answers

Math is cool, right?

[Math filter] What fascinatingly cool mathematical topics do you wish you knew about in high school? [more inside]
posted by tomcochrane on Mar 27, 2008 - 102 answers

Calculating standard deviation on compounded investment returns

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 by stuehler on Mar 25, 2008 - 14 answers

Bingo game with pregenerated winners?

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 by Tlogmer on Mar 24, 2008 - 10 answers

How to convert lat/long to x/y on Lambert Conformal Conic.

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 by RobotHero on Mar 18, 2008 - 5 answers

Why do we use radians?

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 by Proginoskes on Mar 9, 2008 - 15 answers

Past performance, future results, &c

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 by perissodactyl on Mar 6, 2008 - 11 answers

How many SMS messages fit on a floppy?

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 by kenneth on Mar 3, 2008 - 6 answers

Beautiful Equations

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

Its time to get mathy.

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

How do I learn to like research?

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

Color algebra: How do I pick a color F will make known color C against known background B at opacity N?

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 by weston on Feb 18, 2008 - 18 answers

Math for pre-schoolers

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 by billtron on Feb 16, 2008 - 27 answers

Practice Makes Perfect

Help me build a database of math problems to keep my skills sharp. [more inside]
posted by kjackelen05 on Feb 14, 2008 - 9 answers

How do I calculate the slope of two points in three dimensions?

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 by whatisish on Feb 8, 2008 - 16 answers

Using conditional formulas to sum up data in Microsoft Excel

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 by korres on Feb 5, 2008 - 4 answers

Where can I find which quantitative/technical skills are hot, and which ones aren't?

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

Podcasts about statistics

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 by survivorman on Jan 26, 2008 - 9 answers

It's been 24 years. I give up.

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 by mecran01 on Jan 6, 2008 - 15 answers

Russian Roulette Odds

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

Coin flip odds?

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 by rocket88 on Jan 3, 2008 - 19 answers

My Dark Calculus II Secret

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 by wittgenstein on Dec 28, 2007 - 5 answers

does doing math make you better at it?

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

complex dice probability make head esplode

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 by DetonatedManiac on Dec 21, 2007 - 7 answers

lead lead everywhere

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 by edjusted on Dec 21, 2007 - 10 answers

How can I round prices in Excel?

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 by Futurehouse on Dec 20, 2007 - 10 answers

How many rolls 'till n values in a row.

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 by lucasks on Dec 19, 2007 - 30 answers

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