The touch sensor system (1) includes: a touch panel (2) having a two-dimensional region (12) made up of a hand placing region (13) and a remainder region (14); a hand placing region processing section (3) for carrying out a process related to the hand placing region in accordance with a hand placing region touch signal corresponding to a touch to the hand placing region (13); and a plot input processing section (4) for carrying out a plot input process in accordance with a remainder region touch signal corresponding to a touch to the remainder region (14).
