Hypatia wrote commentaries on Diophantus' "Arithmetica", offering explanations and expanding upon Diophantus' algebraic concepts. Fragments of this exist in existing manuscripts.

Hypatia wrote commentaries on Apollonius' "Conics", which delved into the complexities of conic sections. No known surviving manuscripts exist.

In general, the transition from the Roman Empire to the Middle Ages led to the destruction and disperal of many books due to a lack of preservation efforts, and lack of care. The loss of ancient libraries led to the loss of many texts.