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Rubik's Cube Made Youth-Friendly

On the 30th Anniversary of the Rubik's Cube, the You CAN Do The Rubik's Cube initiative urges everyone to make a "Rubik's Resolution" – a pledge to learn how to solve the cube.



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MAA Writing Awards
On this site you will find pdf copies of the articles that have won MAA journal writing awards over the years and short bios of the authors.

Go to MAA Writing Awards

Loci
Welcome to Loci, the online publication of MathDL. Loci is the continuation of three former MathDL publications: The Journal of Online Mathematics and its Applications (JOMA), Digital Classroom Resources (DCR), and Convergence.

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MathDL News

Do you want to integrate 1/(2+cos(x))? Calculate the number of ways that 18 objects can be selected from a pool of 30? Find information about a specific second-order linear differential equation? Find, "What is the meaning of life?" And not pay for software? Then let Gizem Karaali and Bruce Yoshiwara introduce you to Wolfram|Alpha in their new Loci article, Life After Wolfram|Alpha: What You (and Your Students) Need to Know. (The answer to the question about the meaning of life is given by Wolfram|Alpha to be 42, from A Hitchhiker's Guide to the Galaxy by Douglas Adams.)

Check out the use of Scalable Vector Graphics (SVG) in the new article in Loci: Resources, Mathematics Animations with SVG by Samuel Dagan. As MathML is to mathematical text, SVG is to mathematical graphics. Dagan illustrates several calculus-level concepts with SVG animated graphics.

Math Resources of Halifax has upgraded the MathDL content management system to enable digital object identifiers (DOIs) that will provide a permanent link to articles regardless of where they might be located, searches by MSC 2010 classifications, and sample bibliographic entries at the bottom of the first page of articles. These features will be implemented for all Loci articles in the near future.

There is a supplement in Loci: The Kuratowski Closure-Complement Problem by Mark Bowron. Here the reader is invited to construct fourteen sets from one set in a topological space by repeatedly applying closure and complement in any order. (Fourteen is the maximum number that can be so generated.) This applet supplements the David Sherman article, "Variations on Kuratowski's 14-set Theorem," to appear in the American Mathematical Monthly, February 2010 (vol. 117, no. 2).

The 2010 Chauvenet Prize winning paper, e: The Master of All by Brian J. McCartin is available in MAA Writing Awards.

Lang Moore
Executive Editor of MathDL
February 8, 2010

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