René Descartes is credited with?
http://ualr.edu/lasmoller/descartes.html
Analytic geometry, (Cartesian coordinates).
"Je pense, donc je suis", in Latin, "Cogito ergo sum", or "I think, therefore I am."
and others.
See reference by Ms. Sue.
René Descartes is credited with several important contributions in the fields of philosophy, mathematics, and science. One of his most influential works is his philosophical treatise called "Meditations on First Philosophy." In this work, Descartes explores skeptical doubts and attempts to establish a secure foundation for knowledge. He famously proposed the concept of "Cogito, ergo sum" ("I think, therefore I am") as a starting point for his rationalist philosophy.
In mathematics, Descartes is known for developing the Cartesian coordinate system, also known as the Cartesian plane or Cartesian grid, which provides a way to represent geometric figures and equations using numerical coordinates. This innovation laid the foundation for analytical geometry and is widely used in various branches of mathematics and physics.
Additionally, Descartes made important contributions to the field of optics. He provided detailed explanations of how light interacts with different types of surfaces and proposed the law of reflection, which describes the behavior of light rays when they strike a reflective surface.
To find out more about René Descartes and his contributions, you can read books or academic articles on philosophy, mathematics, or the history of science. You can also explore reputable websites, such as those of universities or scholarly sources, which often provide comprehensive information on Descartes' work.