published on: 2011-12-01 23:05:46
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lockpickmango: Troll face on TI-84 Plus Calculator!!! Because
buenabuenagoodgood.tumblr.com/post/13608975029/
enfantmort: I’m not supposed to laugh that much but I can’t
fuckyeahmath: (via thili)
(via fuckyeahmath)