MATH TOOLS NEWSLETTER - April 27, 2013 - No. 119 ***MATH TOOLS LOGIN - WE NEED YOUR HELP Have you logged into Math Tools recently? The reason we're asking is that we're planning to clean up our database to speed up discussion posting. If you would like to continue receiving this Newsletter but have not logged in over the last two years, please take a moment to: 1. go to http://mathforum.org/mathtools/ 2. look to the left sidebar, click "login" 3. enter your login If you've forgotten that information, please visit this page and enter the email address you used when you registered: http://mathforum.org/mathtools/util/request_pwd.html Your recent quick "login" activity will make sure that your account is retained when we do our clean up. Thank you! QUESTIONS? Please email us and we'll be happy to help. \|/ ***FEATURED DISCUSSION Best applet to plot probability of a flat tire while cycling http://mathforum.org/mathtools/discuss.html?&do=m&thread=_____sh-64 pbr announces, "I would like to have an applet graphing multiple curves of a discrete variable x according to 2 parameters that the user should be able to set." ***FEATURED TOOL Tool: KenKen Classic http://mathforum.org/mathtools/tool/133569/ KenKen Puzzle KenKen challenges you to complete a grid without repeating a number in any row or column. The catch? The numbers in each heavily outlined set of squares must combine to produce the target number in the top corner, and do so using the mathematical operation indicated. Featured in The New York Times by famed puzzle master Will Shortz and published in more than 35 other periodicals across the United States. Thirty-one KenKen puzzles come with the download; additional puzzles can be purchased. Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.3 or later. ***FEATURED TOOL Tool: Touch Fraction http://mathforum.org/mathtools/tool/200416/ Maurici Carbo Touch Fraction lets you visualize positive and negative fractions -- and zoom into equivalent fractions using the rational representation diagram. ***FEATURED TOOL Tool: Splash Math Kindergarten http://mathforum.org/mathtools/tool/199738/ StudyPad Prequel to the Splash Math Series Grades 1 to 5, the Splash Math Kindergarten app allows kids to get started with math practice. ***FEATURED TOOL Tool: We Can Do Math! http://mathforum.org/mathtools/tool/199736/ Vinay Jain Timed practice in basic operations; toggle up and down or key in answers. Designed "by a first grader, developed by her dad," this JavaScript offers two levels with a "check" button that scores responses, as well as a "rapid fire" mode that instantly displays a new problem after each correct result. ***FEATURED TOOL Tool: Graphing Calculator http://mathforum.org/mathtools/tool/191883/ Vernon Morris Meta Calculator is a free online multi-purpose calculator that supports the majority of calculator features used in high school or college. ***FEATURED TOOL Tool: 1st Grade Math: Back to School Splash Math http://mathforum.org/mathtools/tool/176703/ StudyPad Splash Math has 13 chapters covering over 185 math skills and a supply of problems. \|/ As you browse the catalog, please take a moment to rate a resource, comment on it, review it -- join an existing conversation, or start a new discussion! CHECK OUT THE MATH TOOLS SITE: Math Tools http://mathforum.org/mathtools/ Register http://mathforum.org/mathtools/register.html Discussions http://mathforum.org/mathtools/discuss.html Newsletter Archive http://mathforum.org/mathtools/newsletter/ Twitter Feed http://mathforum.org/pd/twitter.html Blogs http://mathforum.org/blogs/ Facebook http://www.facebook.com/themathforumatdrexel Community http://mathforum.org/community/ \`. .--------------.___________) \ |//////////////|___________[ ] `--------------' ) ( '-' The Math Forum @ Drexel -- 27 April 2013