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840 posts tagged with math.

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840 posts tagged with math.

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## What's the best way to think about mathematics?

What's the best way to think about mathematics? What's the best advice you have ever received about learning math and approaching math problems? [more inside]

## When calculating a statistical average, is it reasonable to remove outliers?

When calculating a statistical average, is it reasonable to remove outliers? [more inside]

## Thirsty work

Mathfilter. Bonus: involves football and beer [more inside]

## I need an awesome topic relating to maps/geometry!

I'm looking for an awesome video/discussion topic that relates to street maps - something appropriate for a HS geometry course. [more inside]

## What was this geometric creature builder website?

Several years ago, I saw a website with a fun little flash or javascript applet thingy where you could build little tensegrity structure creatures, then have oscillating movements applied to the pieces, so that the structures would seem to "walk". I don't remember what it was called! From memory, one of the simpler structures looked sort of like this. What was it? Is it still online? [more inside]

## What is the difference between floating point accuracy and precision?

What is the difference between floating point accuracy and precision?

## How does a non-science major structure a self-guided science/engineering course of study?

How does a non-science major structure a self-guided science/engineering course of study? [more inside]

## Help me make an awesome trivia night!

Can anyone help me come up with a pub trivia points system? [more inside]

## Math for Kindergarteners

Math exercises for kindergarteners? [more inside]

## Help Me Graph Abstract Points in Space with Just Distances

MathFilter: Help me calculate the location of points with lots and lots of distances. [more inside]

## Some good books to re-learn math?

I'm teaching myself to code (Python, mainly), and it's going well, except I keep on running into one big problem: I haven't done any math since high school (6 years ago). I used to be top of my class, and now I can't do simple word problems anymore. This gets tough because they inevitably pop up in the books I'm using, and then I stop dead in my tracks. Could anyone recommend a couple of books or web resources to help me get back up to speed? I never took Calculus, so a good Calculus book would help, too. [more inside]

## What does a personal interest in math look like?

A while back I read about an english professor who claimed to have a strong personal interest in mathematics. Assuming that he doesn't use math in a professional setting, how would this interest manifest itself? Completing math textbooks? Reading books about math? Memorizing the first 1000 primes? What would someone with an interest in math do? [more inside]

## What math flash card game did I play in school?

What math flash card game, which required you to use each of four numbers on a card to get to one fixed answer each time, did I play in grammar school? [more inside]

## Connect the Dots for Math Geeks

Help me make an awesome connect-the-dots for middle school math nerds. I'll take care of the math, you take care of the art. Don't let these poor kids be stuck with my cat/walrus. [more inside]

## Does anyone remember this educational computer game?

Does anyone remember this educational computer game? [more inside]

## Clearly, it's pronounced "kisskshhh of ex"

How do you pronounce the hyperbolic trigonometric functions? [more inside]

## How to divide prize money?

How should prize money be divided in order to generate the most high-quality submissions to a contest? [more inside]

## Math help!

Homework help!? Solving a second-order linear ODE. [more inside]

## Math it up.

I used to be math nerd, but I've forgotten most of it because, despite what I was told in high school, I don't use vector calculus in the Real World. I've used textbooks to brush up on old topics before, but self-imposed homework just isn't very fun. What hobbies/projects/??? can I take up to take advantage of any derive enjoyment again from my math background? [more inside]

## Effeciently origanizing my wdgets for packing

How do I analyze 7 years of past orders to determine how to best organize my 6 shelves of widgets for packing future orders? Each shelf should, on average, be picked from equally. [more inside]

## I still KNOW the quadratic equation, just not what it means

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

## What Math to learn for Fractal Design?

Knowing basic algebra, what math would I need to learn so that I could eventually program fractal movies? [more inside]

## What can I add to my math degree to improve my job prospects?

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]

## This is making my head hurt.

Attention mathletes! Help me with some real-life algebra. [more inside]

## What would the check-digit be on this string: K1506235620?

What would the check-digit be on this string: K1506235620? [more inside]

## Probability Question

Probability Question [more inside]

## Next step: solve in three dimensions

Calculusfilter. A man is led to the center of a valuable field which he does not own. He coats his feet in blue paint so that his path can be traced. At dawn he begins walking. At a randomly selected time he will be told to stop walking, whereupon he will walk in a perfectly straight line back to the starting point. Then he will be given all the land that has been circumscribed by his blue path. [more inside]

## Of cakes and counts

I run an online cake contest (link in profile) with a judging panel. Is my scoring methodology the most efficient/accurate? [more inside]

## Dusting Off the Ol' Slide Rule

What are the best math instructional sites, resources and (especially) tools for graphing and math visualization these days? [more inside]

## The shortest programming distance between one and infinity?

What is the shortest possible program (in any well-known programming language) that will count up indefinitely and display the output as it's counting? [more inside]

## I'm a rank amateur

What are some basic math concepts I can use to understand and develop a ranking system? [more inside]

## Linear Relationships in Real Life?

I am redesigning a high-school Algebra course so as to make it more meaningful to the students. To that extent, I am trying to gather as many examples throughout our world of linear relationships. I was hoping to tap into the collective wisdom of this group to come up with as long a list as possible of linear relationships that actually exist (not contrived stuff). I once knew a teacher who had a plant that grew at a linear rate. I don't know the type of plant, however. And there are so many other linear relationships around us. I don't want everything they see be about a car's distance from home or the amount of money they saved. What do you know of that exhibits a linear relationship? I'd love to have a long list for students so that they see that studying linear relationships in Algebra really does matter. Thanks for any help in making this course more worth while to the students!

## Math ties?

Any good math or physics neckties? [more inside]

## Divide it amongst yourselves II

## Seperating Interlocked Rings

Consider two rings that are intertwined. (These lie in 3-dimensional space, but when you draw it on paper it looks like a venn diagram.) In 3-dimensional space they cannot be unlinked. The questions is, if you had one more dimension, can you unlink them?

## What does a bivariate cubic polynomial look like?

What does a bivariate cubic polynomial look like? [more inside]

## Calculator in math class

When should calculators be used in math class? What are good criteria for determining if a calculator should be used on a given set of problems?

## For best fireworks viewing, please use Math.

I'd like to be able to watch the Macy's fireworks from my dad's roof on the Upper West Side. How can I figure out if I'll be able to see them? I have some variables, heights, distances, and video... [more inside]

## Need help with a probability question

Can someone help with a probability question? [more inside]

## Shouldn't a point estimate be the midpoint of its confidence interval?

Shouldn't a point estimate be in the center of its confidence interval? [more inside]

## Calculus? Is that it?

## Helping my daughter love math this summer

My ten-year-old daughter is entering the gifted and talented program and she is a little anxious about her math skills. [more inside]

## If an geeky child is traveling South at 839 MPH, and his nerdy dad is going North at...

My son, who is finishing up third grade, loves math and especially the basic Algebra he's been doing. He is actually sad to be leaving school for the summer because he's so into it. How can I keep this going for him over the summer? Fun books, board games, computer (on-line and OSX) games? [more inside]

## Real Life Math

Real Life Math: How could raising everyone's grade on one quiz result in some people getting a lower grade average for all the quizzes for some students? [more inside]

## Help my fiancee find some math related work

My fiancee needs some work, preferably from home. Math background, no telephone calling. Any leads? [more inside]

## Avoiding the "summer slide"

Primary school gets out tomorrow. I know it is common for kids to have a "summer slide" where they forget a lot of what they've learned over the year. Recommend some fun math and science sites/projects/activities for elementary school age kids that will keep them refreshed and interested. [more inside]

## Hidden Markov Models for idiots?

Biologist needs recommendations on where to start learning the basics of HMMs. [more inside]

## Graduation gift for a math and geology nerd

I'm looking for a graduation gift for a math and geology nerd. My best friend just got dual bachelor's degrees. She's going to grad school for geophysics in the fall. I know approximately zero about her areas of study and would like to get her something nice. [more inside]

## Being able to point out the idiocy of math tattoos

How do I pick up mathematics...as an amateur hobby? [more inside]

## Does this tattoo equation mean to you what I mean it to?

Math and science geeks, does this fake equation make sense? 'delta' = c ... meaning "change is constant". [more inside]