May 2012
72 posts
May 15th
53 notes
May 15th
11 notes
May 14th
19 notes
May 14th
12 notes
May 12th
107 notes
May 12th
7 notes
May 11th
48 notes
May 11th
199 notes
May 10th
1 note
May 10th
24 notes
May 10th
16 notes
May 10th
12 notes
May 10th
3 notes
May 10th
43 notes
May 9th
83 notes
just had to watch a thirty minute video about the invention of calculus…..WOW
May 9th
May 9th
6 notes
May 9th
238 notes
May 9th
26 notes
May 9th
1 note