Sophist Your Personal Mathematics Tutor Screenshots View ImageView Image Hunter's comment Sophist is an online learning tool for Mathematics. It aims to make learning as easy and fun as possible. A platform

The famous Greek historian Ksenophanes says: Anyone wanting, against money they sell wisdom.. the most important representatives Protagoras, Gorgias, Prodikos, Hippias, Antiphon, Thrasymakhos and Kallikles.