Even in Greek times the most accomplished mathematicians occupied themselves with it: Heron, Pappus, Porphyry, Proclus and Simplicius wrote commentaries; Theon of Alexandria re-edited it, altering the language here and there, mostly with a view to greater clearness and consistency...
Kahit sa Greek beses ang pinaka sa mathematicians abala sa kanilang mga sarili ito: Heron, papus, porpiri, Proclus at Simplicius wrote commentaries; Theon ng Alexandria re-edited ito, altering ang wika dito at doon, karamihan sa isang view na mas higit na kalinawan at consistency. ..