Pascal

In the International System of Units, the derived unit of pressure and stress; one newton per square metre. Symbol: Pa.

[ "Blaise", "French mathematician, philosopher, and inventor. His early work included the invention of the adding machine and syringe, and the co-development with Fermat of the mathematical theory of probability. Later he became a Jansenist and wrote on philosophy and theology, notably as collected in the posthumous <em>Pensées</em> (1670)." ]