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Sheryl A. McCoy

Planarity.net - 0 views

www.planarity.net/game.php

game math planarity.net fun puzzles plane vertices points

shared by Sheryl A. McCoy on 19 Jan 09 - Cached
  • Sheryl A. McCoy on 19 Jan 09
     
    a very cool game that happens to teach lots of math; planes, vertices, etc
Darren Draper

Diversity Index - 0 views

math.hws.edu/...DiversityTest.html

diversity math network twitter

shared by Darren Draper on 14 Apr 08 - Cached
  • Darren Draper on 14 Apr 08
     
    According to @jeffmason, this site can be used to calculate your Twitter network diversity index. See also http://tinyurl.com/4u4uaz .
Darren Draper

OPEN Teacher Talk: What is Your Network Diversity Index? - 0 views

openteachertalk.blogspot.com/...r-network-diversity-index.html

diversity networks set theory twitter

shared by Darren Draper on 14 Apr 08 - Cached
  • If, like myself, the math makes you wail and gnash your teeth, try the following. Evaluate your network, divide it into groups, give each group a number and determine how many people you have representing each group. Then follow this link to a Shannon Index calculator, enter your the number of people you have in each group, compute and read the value for H1.
    • Darren Draper
      Darren Draper on 14 Apr 08
       
      I plan on trying this for my Twitter network...
Vicki Davis

How to Change the World: How to Use Twitter as a Twool - 0 views

blog.guykawasaki.com/...how-to-use-twit.html

shared by Vicki Davis on 03 Dec 08 - Cached
  • By simply monitoring what people are saying about you, you’re using Twitter better than 95% of the companies out there.
    • Vicki Davis
      Vicki Davis on 03 Dec 08
       
      Motrin could have learned this lesson!
  • Don’t be shy about asking people on Twitter to spread the word for you.
  • most people don’t have the chutzpah to ask for help.
  • ...7 more annotations...
  • automatically post Alltop news as their tweets (
  • anyone who signed up for the Alltop Twitterfeed.
  • 450 people had a total of 140,000 followers
  • I started receiving about five complaints a day—still, the math was good: five complaints from 140,000 exposures? I can deal with complaints but, in a sense, my idea worked too well.
  • 600 people signed up for it. That was surprisingly high, but what’s even more interesting is that only fifty of the 450 Twitterfeed folks stopped doing it.
  • We got to talking about how she increased her traffic, and she told me that a “Post to Twitter” link was the most effective mechanism.
  • Now there is a “Post to Twitter” button on every Alltop topic page.
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