"Fermat had recourse to the principle of the economy of nature. Heron and Olympiodorus had pointed out in antiquity th…"

"An untold amount of intellectual energy has been expended on the quadrature of the circle, yet no conquest has been m…"

"In the beginning of the year 1665 I found the method of approximating series and the rule for reducing any dignity [p…"

"J.M. Child... has made a searching study of Barrow and has arrived at startling conclusions on the historical questio…"

"In general the position as regards all such new calculi is this - That one cannot accomplish by them anything that co…"

"The chief object of the present work is, as its title indicates, to furnish to the student examples by which to illus…"

"Fermat applied his method of tangents to many difficult problems. The method has the form of the now-standard method …"

"One may regard Fermat as the first inventor of the new calculus. In his method De maximis et minimis he equates the q…"

"This great geometrician expresses by the character E the increment of the abscissa; and considering only the first po…"

"It will be sufficient if, when we speak of infinitely great (or more strictly unlimited), or of infinitely small quan…"