1. An electronic apparatus comprising: a processor configured to input strokes in handwriting; a display controller configured to display on a screen a first character and a second character in a font size, the first character corresponding to a first handwritten character detected from the strokes, the second character corresponding to a second handwritten character detected from the strokes, the font size determined based on a combination of an attribute of the first character and a size of at least one stroke corresponding to the first handwritten character or a combination of an attribute of the second character and a size of at least one stroke corresponding to the second handwritten character, wherein an attribute of a character is determined based on a shape of the character included in a region comprising one or more of partial regions, and wherein: the region comprises a first partial region, a second partial region and a third partial region; a character of a first attribute has a shape included in the first partial region and the second partial region; a character of a second attribute has a shape included in the second partial region; a character of a third attribute has a shape included in the second partial region and the third partial region; and a character of a fourth attribute has a shape included in the first partial region, the second partial region and the third partial region.