(Descartes) returned 2 hits

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Authors: René Descartes (1596-1650) & Pierre de Fermat (1601-1665)
Coordinate system reintroduced in mathematics, analytic geometry; relationship established between graphed line and equation
Category: Statistics & Graphics
Author: Nicole Oresme (1320-1382)
Proto-bar graph (of a theoretical function), and development of the logical relation between tabulating values, and graphing them (pre-dating Descartes). Oresme proposed the use of a graph for plotting a variable magnitude whose value depends on another, and, implicitly, the idea of a coordinate system
Category: Statistics & Graphics