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Hey all, just a real quick discrete math induction question inside for anyone willing to help, thanks. [more inside]

posted by Benzle on Mar 14, 2011 - 7 answers

posted by Benzle on Mar 14, 2011 - 7 answers

Math/Optics: How can I derive the focal length of a lens from the magnification percentage of an image? [more inside]

posted by ScarletPumpernickel on Mar 13, 2011 - 10 answers

posted by ScarletPumpernickel on Mar 13, 2011 - 10 answers

I have a poetic, creative, intuitive brain. I feel out of my element talking to programmers, mathematicians, and physicists, yet I find their ideas aesthetically intriguing and I want to understand them. [more inside]

posted by xenophile on Mar 9, 2011 - 17 answers

posted by xenophile on Mar 9, 2011 - 17 answers

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

posted by jeffburdges on Mar 8, 2011 - 1 answer

posted by jeffburdges on Mar 8, 2011 - 1 answer

I'm trying to express my love for a certain dessert in a math/logic formula.
I have this: **π > ∼π **, which I take to mean "Pi is greater than not Pi", and this: **π > ∞-π**, which I take to mean "Pi is greater than Everything but Pi". Do these make any sense or hold up in any legit way?

posted by TheCoug on Mar 5, 2011 - 15 answers

posted by TheCoug on Mar 5, 2011 - 15 answers

Post grad studies in Game Theory? Which universities have a focus in Game Theory? Are there Masters available for this?
Sorry for the grunt like presentation to my question. I just thought the abbreviated style would be best for a summary review of what I'm looking for.
Thanks!

posted by EricBrotto on Mar 1, 2011 - 6 answers

posted by EricBrotto on Mar 1, 2011 - 6 answers

The solution to 12 = x - (square root of x) is 16, but how do I manipulate the equation to show that? [more inside]

posted by Wanderboy on Feb 23, 2011 - 47 answers

posted by Wanderboy on Feb 23, 2011 - 47 answers

If I know the number of widgets, number of days, and total budget, can I break down a per widget price? [more inside]

posted by pencroft on Feb 22, 2011 - 10 answers

posted by pencroft on Feb 22, 2011 - 10 answers

Chemistry, math nerds, and smart people please help me with this cooking question involving salt. [more inside]

posted by*anonymous*
on Feb 20, 2011 -
13 answers

posted by

Should I pursue my interest and study college physics more? Specifically, should I take a year-long calculus-based program, until I get comfortable that I'm on top of it-- and can really judge my level of interest and aptitude fairly?
Considering I'm a Junior English major. Also considering that it's been 15 years since HS algebra and I've never been good at math. But I want to be. [more inside]

posted by reenka on Feb 10, 2011 - 31 answers

posted by reenka on Feb 10, 2011 - 31 answers

Help me arm myself for a future-determining showdown with calculus. [more inside]

posted by geneva uswazi on Feb 10, 2011 - 28 answers

posted by geneva uswazi on Feb 10, 2011 - 28 answers

A friend in college once mentioned a theorem for deciding the number of people to meet before deciding on the person to marry. Was it just a joke, or is there really such a theorem? [more inside]

posted by bleary on Feb 8, 2011 - 16 answers

posted by bleary on Feb 8, 2011 - 16 answers

if I'm looking through a library... does being published with Springer Verglag mean that the research is legit, and does being published with Nova Publishers mean that it isn't?

posted by moorooka on Jan 30, 2011 - 6 answers

posted by moorooka on Jan 30, 2011 - 6 answers

I've been asked to teach a week at a summer university. Help me to design the most awesome computer science/discrete math course ever. [more inside]

posted by mathemagician on Jan 27, 2011 - 7 answers

posted by mathemagician on Jan 27, 2011 - 7 answers

I have a series of tables describing a set of data and their values for certain points in time. I want to create a multi-line chart from this data so I can see the growth curves. Is there a name for this kind of plot? It must be a solved problem and some tools to do this but I can't google for it if I don't know the name of what I want. [more inside]

posted by rdhatt on Jan 26, 2011 - 7 answers

posted by rdhatt on Jan 26, 2011 - 7 answers

When doing mixed-operation arithmetic keeping significant figures, do you round after each operation- according to the rules for that particular step? Or do you keep everything in long-form calculator numbers, then round at the final answer? [more inside]

posted by tremspeed on Jan 25, 2011 - 21 answers

posted by tremspeed on Jan 25, 2011 - 21 answers

Please help me evaluate integrals more accurately. Sloppy calculus is killing me. [more inside]

posted by PFL on Jan 24, 2011 - 14 answers

posted by PFL on Jan 24, 2011 - 14 answers

Please refresh my memory with regard to a straightforward question of fair dice and probability. [more inside]

posted by Justinian on Jan 20, 2011 - 14 answers

posted by Justinian on Jan 20, 2011 - 14 answers

Math Filter: I am trying to find a name for this equation. I am not sure if I can solve it given the information that I currently have. [more inside]

posted by occidental on Jan 17, 2011 - 14 answers

posted by occidental on Jan 17, 2011 - 14 answers

Do the economics in Nick Spencer and Christian Ward's *Infinite Vacation* make sense? Are supply and demand meaningless concepts when an infinite multiverse is brought into the picture? [more inside]

posted by davextreme on Jan 12, 2011 - 9 answers

posted by davextreme on Jan 12, 2011 - 9 answers

Can someone give me some insight as to how to approach and make sense of mathermatical proofs? [more inside]

posted by Listener on Jan 11, 2011 - 30 answers

posted by Listener on Jan 11, 2011 - 30 answers

I'm about to start a 300-level Statistics course, but my math skills are very rusty. How can I quickly rejuvenate my old skills? [more inside]

posted by double block and bleed on Jan 8, 2011 - 5 answers

posted by double block and bleed on Jan 8, 2011 - 5 answers

Please explain this mathematics joke to me. [more inside]

posted by lazaruslong on Jan 5, 2011 - 21 answers

posted by lazaruslong on Jan 5, 2011 - 21 answers

I just failed my math class (a finance class). I'm smart at math but I don't handle organization well for math-related classes. How can I handle them classes better? [more inside]

posted by dubadubowbow on Dec 17, 2010 - 17 answers

posted by dubadubowbow on Dec 17, 2010 - 17 answers

Counting-Filter: A friend once asked me how many points the entire 52-card deck is worth in the game of Cribbage...not that you could actually be dealt the whole deck, but just a curiosity. [more inside]

posted by klausman on Dec 6, 2010 - 5 answers

posted by klausman on Dec 6, 2010 - 5 answers

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?

posted by Frobenius Twist on Nov 29, 2010 - 6 answers

posted by Frobenius Twist on Nov 29, 2010 - 6 answers

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

posted by autoclavicle on Nov 23, 2010 - 19 answers

posted by autoclavicle on Nov 23, 2010 - 19 answers

When do I look for non-academic jobs if I'm trying to transition out of academia, and which jobs do I look for? (I have a math PhD.) [more inside]

posted by madcaptenor on Nov 20, 2010 - 18 answers

posted by madcaptenor on Nov 20, 2010 - 18 answers

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

posted by zidane on Nov 14, 2010 - 12 answers

posted by zidane on Nov 14, 2010 - 12 answers

But Sir, what is x? Teaching students algebra for the first time. They keep wanting to put values in for x, and write that down.
E.g. x + x = . Becomes 1 + 1 = 2, in their books. Whereas I want x + x = 2x.
Does anyone have any strategies, or techniques to overcome this? [more inside]

posted by 92_elements on Nov 11, 2010 - 23 answers

posted by 92_elements on Nov 11, 2010 - 23 answers

I've been seriously considering becoming a high school math teacher. I have some experience teaching in a classroom, and lots of experience tutoring. What I'd like to know now - before I jump into an alternative degree program - is what it's actually like *being* a teacher day in and day out. If I'm not going to be able to hack it, I'd rather know now. [more inside]

posted by Gori Girl on Nov 9, 2010 - 30 answers

posted by Gori Girl on Nov 9, 2010 - 30 answers

posted by Taft on Nov 8, 2010 - 34 answers

How do I assign partial credit consistently? [more inside]

posted by madcaptenor on Nov 2, 2010 - 24 answers

posted by madcaptenor on Nov 2, 2010 - 24 answers

Assuming a grasp of college algebra, what maths would one need to understand the entirety of the wikipedia entry on white noise. Which order would be the most advisable way to learn those maths and which books might be good for a self study on those topics?

posted by Drama Penguin on Oct 28, 2010 - 7 answers

posted by Drama Penguin on Oct 28, 2010 - 7 answers

I'm writing a graphics app where I'm generating a simple gear transmission system with a variable number of gears each with variable number of teeth and placed at random orbits around each other. I generate gears in succession, placing and rotating each with respect to its parent/driver gear before moving on to the next. The problem I'm having is how to determine the initial orientation of each subsequent gear such that its teeth are properly meshed with that of its driver. [more inside]

posted by Epsilon-minus semi moron on Oct 25, 2010 - 6 answers

posted by Epsilon-minus semi moron on Oct 25, 2010 - 6 answers

Textbooks on data mining techniques / statistical analysis on large data sets? [more inside]

posted by wooh on Oct 22, 2010 - 5 answers

posted by wooh on Oct 22, 2010 - 5 answers

WHEN should I have my six year old first grader do her homework? [more inside]

posted by lynnie-the-pooh on Oct 19, 2010 - 21 answers

posted by lynnie-the-pooh on Oct 19, 2010 - 21 answers

Is it possible that an English speaker learning Chinese would develop problems with math? [more inside]

posted by bookman117 on Oct 14, 2010 - 25 answers

posted by bookman117 on Oct 14, 2010 - 25 answers

I need help untangling a formula for tracking poker winnings. All this math is making my head hurt! Totally legal details within. [more inside]

posted by c:\awesome on Oct 7, 2010 - 8 answers

posted by c:\awesome on Oct 7, 2010 - 8 answers

How math intensive are the online MBA programs from ASU and Penn State? [more inside]

posted by gibbsjd77 on Oct 7, 2010 - 6 answers

posted by gibbsjd77 on Oct 7, 2010 - 6 answers

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]

posted by ErWenn on Oct 5, 2010 - 9 answers

posted by ErWenn on Oct 5, 2010 - 9 answers

MathFilter: Problem with permutations [more inside]

posted by rottytooth on Oct 4, 2010 - 23 answers

posted by rottytooth on Oct 4, 2010 - 23 answers

The area between f(x), the x-axis and the lines x=a and x=b is revolved around the x-axis. The volume of this solid of revolution is b^3-a*b^2
for any a,b. What is f(x)? [more inside]

posted by stuart_s on Sep 29, 2010 - 27 answers

posted by stuart_s on Sep 29, 2010 - 27 answers

this isn't homework filter, I promise: what is the cosine of 30?

posted by pipti on Sep 24, 2010 - 16 answers

posted by pipti on Sep 24, 2010 - 16 answers

How do I reduce something by -800% when I'm working with a scale between -99% and 99%? [more inside]

posted by tunestunes on Sep 13, 2010 - 15 answers

posted by tunestunes on Sep 13, 2010 - 15 answers

Help me figure out how to do cluster analysis on discrete data. [more inside]

posted by fremen on Sep 8, 2010 - 10 answers

posted by fremen on Sep 8, 2010 - 10 answers

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

posted by gilsonal on Sep 7, 2010 - 24 answers

posted by gilsonal on Sep 7, 2010 - 24 answers

I'm interested in learning everything there is to know about waves. Sound waves, ocean waves, light waves, electromagnetic waves, waves in math, in economics, brain waves, etc, etc.... [more inside]

posted by empath on Sep 7, 2010 - 15 answers

posted by empath on Sep 7, 2010 - 15 answers