7. A non-transitory computer-readable storage medium having stored a program which is executable by a computer, the program controlling the computer to execute functions of: inputting strokes in handwriting; displaying 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, 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.
7. A non-transitory computer-readable storage medium having stored a program which is executable by a computer, the program controlling the computer to execute functions of: inputting strokes in handwriting; displaying 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, 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. 8. The storage medium of claim 7 , wherein when the attribute of the first character is the first attribute, and the determined font size is a first value, and when the attribute of the first character is a second attribute, the determined font size is a second value, the first value is different from the second value.