Obscure Microsoft product alert! Free downloadable graphing calculator, available in 19 languages http://bit.ly/rg7YkV #backtoschool
1:10 PM - 15 Aug 2011
7 replies
63 retweets
25 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.