859 posts tagged with math.
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How to scale corner radius based on a logarithmic scale

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 by tmgstudio on Oct 29, 2007 - 4 answers

Help me prove to myself that I am capable of passing a basic Calculus course!

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 by dumbledore69 on Oct 25, 2007 - 14 answers

#2 pencil - 20 years = x qty remedial math classes

Bonehead Math Filter: What sort of math is on the NJ College Basic Skills Placement Test [more inside]
posted by dancinglamb on Oct 23, 2007 - 8 answers

I feel like I dont know you anymore, math.

How do I make the transition, in my brain, to studying graduate/advanced mathematics? [more inside]
posted by milestogo on Oct 22, 2007 - 20 answers

Me need mor math and chemistry

Does anyone know of any one-year science-ish programs for those who have a bachelors, but who want to bulk up on science and/or math. [more inside]
posted by melissam on Oct 21, 2007 - 6 answers

Inequalities and direction-flipping

Why is it that when I solve the inequality 0 ≤ arccos(x) <> cos(π/4)? Why do the operators switch direction? [more inside]
posted by PuGZ on Oct 19, 2007 - 11 answers

mathematics chess book?

is there a book on the mathematics of chess? [more inside]
posted by randomizer on Oct 18, 2007 - 6 answers

Does the study of math sharpen critical thinking skills?

If a man’s wit be wandering, let him post a question about mathematics and reasoning to MetaFilter. [more inside]
posted by jason's_planet on Sep 25, 2007 - 20 answers

Details of the German Tank Counting Method.

Details of the German tank counting method (as seen on reddit)? [more inside]
posted by tehgeekmeister on Sep 19, 2007 - 13 answers

Difficult as ABC

ABC x D = BADC. What single numbers (1-9) do the letters represent? Is there any way to arrive at the answer (a) by logical deduction all the way rather than with some trial-and-error and (b) so that a 10-year-old can follow the logic? [more inside]
posted by londongeezer on Sep 16, 2007 - 15 answers

looking for a sign

Is there a symbol for the phrase "and/or"? [more inside]
posted by jak68 on Sep 15, 2007 - 19 answers

It felt like I cheated...

How do I solve this puzzle mathematically, rather than programmatically? [more inside]
posted by anomie on Sep 13, 2007 - 12 answers

We Don't Need No Stinking Derivatives

Obscure Mathfilter: In the arcane past of mathematics, there is something known as a "Newton Polygon", which theoretically can be used to help sketch functions of two variables, say, x^3 + y^3 =3xy, for instance. But -- [more inside]
posted by wittgenstein on Sep 13, 2007 - 4 answers

Question about Number Theory Text

Question about Hardy's "An Introduction to the Theory of Numbers". [more inside]
posted by tehgeekmeister on Sep 12, 2007 - 9 answers

Fizzix

I want to start teaching myself physics, but how? [more inside]
posted by god particle on Sep 11, 2007 - 12 answers

Favorite Integral Tables?

What's your favorite math reference book, specifically for integrals? [more inside]
posted by kiltedtaco on Sep 5, 2007 - 13 answers

I need to learn basic to fairly advanced Math and English and I'm somewhat of a rookie who is taking action. Help!!

I'm looking to rebuild my mathematics skills from the ground up so that I have proper habits. I'm looking to start from the basics and go straight up to calculus. Math was a subject in which I didn't pay as much attention to as I wish that I had and am looking to find the best sources of information on the subject. I also would love software that would drill me kind of like speed reading software but for math. [more inside]
posted by Chamunks on Sep 4, 2007 - 22 answers

What are some fun math problems with integer answers from 0-18?

What are some (easy to moderate difficulty) math problems with integer answers ranging from 0-18? I'm making mathematical seating cards where guests will solve a problem to find their table number. [more inside]
posted by Alison on Aug 30, 2007 - 25 answers

Solve this math puzzle. Then explain it to me.

Math puzzle filter. How do you go about solving this puzzle? [more inside]
posted by batcrazy on Aug 28, 2007 - 25 answers

math-challenged needs formula to constrain images for php + gd image manipulation

I need a formula or actual php code to generate a new height and width that will constrain the image between a maximum height and a maximum width while retaining the correct proportions of the original image. [more inside]
posted by sjarvis on Aug 13, 2007 - 10 answers

Bubbles

Maximal volume of an ellipsoid... [more inside]
posted by Blazecock Pileon on Aug 7, 2007 - 15 answers

Formulas for Food

Looking for math formulas involving food. [more inside]
posted by JaySunSee on Aug 4, 2007 - 5 answers

6.08 seconds = $165.50

Does anyone have any data for human error while operating a timing device? Litigeous details and much [more inside]
posted by jmugrapler on Aug 3, 2007 - 31 answers

Lotto Odds!!

Statistics/Lottery question; Please settle this argument between a friend and I about the Florida state lotto. [more inside]
posted by boyinmiami on Aug 2, 2007 - 26 answers

Books on survey design and analysis?

I'm looking for books on survey design and statistical analysis. [more inside]
posted by crazycanuck on Jul 31, 2007 - 4 answers

math-and-logic-filter: only two more floors - I'm almost there! or am I?

math-and-logic-filter: only two more floors - I'm almost there! or am I? [more inside]
posted by krautland on Jul 20, 2007 - 31 answers

Memorizing Math Formulas

Any tips or tricks to memorizing financial math formulas [more inside]
posted by JaySunSee on Jul 16, 2007 - 11 answers

Seeking reading material before jumping into a master's in applied math...

Starting this fall, I plan on taking some preparatory undergrad coursework with the intention of eventually applying to a master's program in applied mathematics. I am seeking suggestions for reading material concerning the field of mathematics in general, both as a refresher and as insight into current focus areas and work being done. As a working engineer, my situation and background might be a bit different from most considering this route... [more inside]
posted by Bugg on Jul 15, 2007 - 2 answers

¿¿why so trippy??

What kind of interference-pattern phenomenon have I got going on here? [more inside]
posted by garethspor on Jul 8, 2007 - 8 answers

Help me make the graph my boss imagined!

Graphing question: My boss has an idea of how our data should be presented. Please help me figure out how to make it happen! [more inside]
posted by nprigoda on Jul 4, 2007 - 5 answers

Math Problem

Arby's is better at math than me... [more inside]
posted by jjbb on Jul 3, 2007 - 28 answers

math

Ask Mathfilter: I want some good math sites to read. A math-cetric Metafilter or Cosma's notebooks. [more inside]
posted by tylermoody on Jul 2, 2007 - 11 answers

Join some of the dots, throw the rest away

Map geeks: can I generate a polygon shapefile from the outline of a large collection of points? There's more detail, of course. [more inside]
posted by genghis on Jun 26, 2007 - 17 answers

Statistics: tell me about r-square for nonlinear models

StatisticsFilter: Can someone explain - with examples - why R^2 (r-square) values are not appropriate for use with non-linear regression models. [more inside]
posted by jonesor on Jun 21, 2007 - 5 answers

Dyscalculia Schools

What schools in the US will waive math requirements for people with dyscaculia? [more inside]
posted by SansPoint on Jun 19, 2007 - 16 answers

How to write a mathematics paper

I need to write a document with a lot of algebraic formulas. What word processor / page layout program would make this quickest and easiest? [more inside]
posted by rolypolyman on Jun 18, 2007 - 25 answers

Mystery Equation

Mystery Equation: x2+y2=(1-z)z4 A friend of mine has a bet regarding whether anyone can figure out what it represents. It's supposed to be mildly romantic. Ideas?
posted by Firas on Jun 16, 2007 - 30 answers

Sock quality modelling and optimisation?

Let's say I buy s socks. Now, these socks feel the very best (have a quality factor of 100) after f wearings, and must be discarded (have a quality factor of zero) after f × 100 wearings. I want to add these socks to a pool from which I draw two daily, and want to maximise the probability of selecting socks with the highest quality over the life of the pool... [more inside]
posted by TheNewWazoo on Jun 14, 2007 - 24 answers

Donald in Mathmagic Land

I want to find an online version of "Donald in Mathmagic Land." [more inside]
posted by inconsequentialist on Jun 10, 2007 - 9 answers

Two spheres colliding

Help me with the math of two spheres colliding [more inside]
posted by RobotHero on Jun 10, 2007 - 8 answers

Why do I hate 8?

Why is it hard for me to perform simple mental calculations with certain numbers? [more inside]
posted by lalex on Jun 5, 2007 - 19 answers

To doublemajor or not to doublemajor?

I'm a math major, but dont know exactly what I want to do. Should I also major in Physics? Economics? [more inside]
posted by milestogo on Jun 4, 2007 - 13 answers

Equation solving help for the intellectually challenged

(x + y)-(x*y)=79. What are x and y? [more inside]
posted by prentiz on Jun 4, 2007 - 17 answers

Help me get up to speed with Matlab.

What are the best online and offline learning materials for Matlab? [more inside]
posted by fake on May 23, 2007 - 9 answers

How to administer a read-aloud math test

Suggestions/resources for administering a math test out loud? [more inside]
posted by Sweetie Darling on May 21, 2007 - 9 answers

Equal and Opposite Reaction?

Physics: Difference between two people pulling on each end of a rope, and one person pulling on a rope tied to a tree. [more inside]
posted by voidcontext on May 18, 2007 - 35 answers

Math help for the right brained

I have a math question involving combinations and sets. [more inside]
posted by sonofslim on Apr 28, 2007 - 21 answers

To leading order?

In the context of information theory, what does "to leading order" mean? [more inside]
posted by tehgeekmeister on Apr 13, 2007 - 9 answers

Algorithm to display a schedule calendar with specific constraints

I've charged with adding a feature to a shift scheduler / coverage requestor that displays shift information for a given week. I've been able to display them so as to satisfy the constraints I've been given, but it's got me wondering wondering if there's a more rigorous/mathematical approach to the general problem of organizing the display of any such calendar information. [more inside]
posted by Frankieist on Apr 12, 2007 - 3 answers

Puppets no can read good?

I need help writing a puppet show to teach the importance of literacy to kids k-5. [more inside]
posted by magikker on Apr 4, 2007 - 8 answers

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