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Common math questions, quality answers.
Jul24-14 10:02 AM Greg Bernhardt 
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Test your skills. Math challenges will be posted at least once a week. Suggestions for problems are welcomed. Brought to you by Office_Shredder.
Jul26-14 11:48 AM jostpuur 
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Jan16-12 Greg Bernhardt
Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
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I am new to Derive 6 and Laplace Transforms. Is it possible to solve the closed loop gain A/B of the attached loop...
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can some one show me how to write 5+10+17+26 in sigma notation
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So I have an equilateral triangle an I want to divide it in 4 parts, all having the same area. This can be done in a...
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Oct1-07 01:00 PM
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I put this question in the 'Calculus' forum but didn't really get a response. Maybe it's a silly question but I...
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http://www.sciencemag.org/cgi/content/summary/317/5846/1851 ==quote from Science== EDUCATION RESEARCH: U.S. Says No...
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apologie me if this question isn't corret or is simple for you do solutions of an equation as quaternions or as...
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Hello, I am a High school algebra teacher looking for a modeling tool for algebra tiles. I have four sources of...
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I'm wondering if someone can furnish me with either an example of a topological space that is countable (cardinality)...
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Find the equation of a ellipse given the foci. (1,0) (3,4)
Sep29-07 05:44 PM
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Hey there everyone. I was looking at an epsilon-delta proof I did and realized that I wasn't exactly sure why one of...
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I am teaching euclidean geometry this fall and realized i dont know it that well. there are some famous modern...
Sep29-07 11:46 AM
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maybe i'm wrong but when i was following a lesson of mechanics by video lectures the teacher gave a very superficial...
Sep29-07 09:28 AM
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I'm looking for a 3D-graphing-freeware thats takes x, y, z variables (axis dependence) because I want to see how the...
Sep29-07 03:56 AM
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I have 20 puzzle tables (1,2,3,,20) that contain of 10 rows (1,2,3,,10) each. There are numbers 1,2,3,4, in each of...
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Does anyone have any information whatsoever about freeware or any other software that I might be able to use. I...
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can anyone give me links to websites that explain curve sketching right from scratch...
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Is there a definitive source which gives the roots of Bessel functions to n decimal places? I know there's a...
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\int^{6}_{0} \sqrt{1-n^2x^2}dx=\pi+e I need to solve this for n. I believe there should only be one possible...
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Contemporary Abstract Algebra. by Joseph A. Gallian I own this book, and personally love it. I just want to know...
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is the set of all functions a ... (blank), i don't know what the correct classification is, but it should contain the...
Sep25-07 12:49 PM
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Sep25-07 07:41 AM
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A relatively lengthy proof I am writing for an assignment leads me to a proposition (which I need to turn into a lemma...
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i was looking through a book and came across a double integral that was split into the product of two single...
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in the xy-plan, line t passes through the origin and is perpendicular to the line 4x+y= k, where k is a constant. If...
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Prove that for every set of n numbers has a subset whose sum is divisible by n. I found this result very interesting....
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Does anyone know where I can get a nice large trig identities poster that I can put up in my dorm so I don't always...
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