[2] Due to his father's wish that he become a priest, Carré studied theology for several years but did not join the priesthood.
He took a post as an amanuensis for philosopher Nicolas Malebranche, a mathematics professor at the Congregation of the Oratory, and tutored students as well.
[3] On February 4, 1699, he became a student of Pierre Varignon at the Academy of Sciences.
In 1700, his book Une méthode pour Ia mesure des surfaces, la dimension des solides, leurs centres de pesanteur, de percussion, et d'oscillation par l'application du calcul integral was published.
[4] Between 1701 and 1705, Carré published over a dozen papers on a variety of mathematical and physical subjects:[5]