- He published opinions around the mathematical theory for gases in 1802 A.D.
- He was a general inspector for the university system which formed by Nabelon in 1808 A.D. He also appointed a mathematical teacher in Paris. Then he worked in chemistry field.
- He published a research talked a bout the theory of the world gravity in 1814 A.D. In it he explained the cause of being hard and liquid materials. He also showed the cause of being some things transparency. Beside that he published a research talked a bout the calculus. It is a branch of mathematics science branches.
- In 1848 A.D the unit of electric current called with his name.