This work was heavily used by Theon of Smyrna when he wrote Expositio rerum mathematicarum and, although Platonicus is now lost, Theon of Smyrna tells us that Eratosthenes' work studied the basic definitions of geometry and arithmetic, as well as covering such topics as music.
Ito ay mabigat na trabaho na ginagamit ng Theon ng Smyrna kapag siya wrote Expositio rerum mathematicarum at, bagaman Platonicus ngayon ay nawala, Theon ng Smyrna Sinasabi sa amin na Eratosthenes' trabaho-aral ng basic na depinisyon ng geometry at arithmetic, pati na rin ang takip sa mga paksa tulad ng bilang ng musika.