According to one embodiment, an electronic apparatus includes a display processor configured to display a first locus input by handwriting with a second color equal to a color of a background in an input mode, and to display a second locus input by handwriting with the first color in an erase mode, and a storage module configured to store a first stroke data corresponding to the first locus and a second stroke data corresponding to the second locus, wherein the display processor is configured display an area in which the first locus crosses the second locus with the second color if the first locus is input later than the second locus, and to display the area with the first color if the first locus is input earlier than the second locus.