wp/Notation_for_differentiation
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leggesi: x punto, x 2punti derivata prima e derivata seconda di x |
One last word: if one was or still is, dealing only with first and second derivatives in problems, then the dot method involved far less writing and led to quicker solutions, and Newton was always a man in a hurry. On the other hand, odd drops of ink on the page might be interpreted as fluxions or increments of variables ...... not always a matter of mirth.
pag. 3 Methodus Incrementorum Directa & Inversa. Brook Taylor.