Methodus_inveniendi_-_Leonhard_Euler_-_1744.jpg

Description
English: First Page of Methodus inveniendi (Leonhardo Euler, 1744).
Español: Primera página del libro Methodus inveniendi de Leonhard Euler (1744).
Date
Source http://posner.library.cmu.edu/Posner/books/pages.cgi?call=517.4_E88M_1744&layout=vol0/part0/copy0&file=0004
Author Unknown, assumed that Euler himself didn't draw this.
Permission
( Reusing this file )
Public domain

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