Agnesi also wrote a commentary on the Traité analytique des sections coniques du marquis de l'Hôpital which, though highly praised by those who saw it in manuscript, was never published.
Tamén escribiu un comentario no Traité analytique des sections coniques of the marquis de l'Hôpital, o que, a pesar de ser gabado polas persoas que viron o manuscrito, non foi nunca publicado.