Abstract: In a compact electronic apparatus, a keyboard and a display unit are provided, and also either a function formula or an inequality inputted from the keyboard is displayed in a graphic representation on the display unit. The compact electronic apparatus further comprises a trace function for sequentially pointing a point on one of the displayed graphic representations and simultaneously for displaying coordinate data, and a control unit for moving one graphic representation to a trace of another graphic representation when a plurality of graphic representions are being displayed, and also for changing a movement amount of the trace.