チラシの裏の覚書。

個人的なナレッジノートです.φ(..)

npr: skunkbear: Happy Pi Day!! (reblogging from last year’s...

f:id:Saitoh:20160315231410g:plain



npr:

skunkbear:

Happy Pi Day!! (reblogging from last year’s extra-special pi day)

The most mathematical day of the year! -Emily


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