A display system comprising: a receiving unit configured to receive hand drafted data input by an electronic pen; a recognition unit configured to convert the hand drafted data into a plurality of character string candidates in a recognition language; a storing unit configured to store, in a memory, association information associating a target language with identification information of the electronic pen, the target language different from the recognition language; a display control unit configured to display, on a screen, the plurality of character string candidates; and a conversion unit configured to convert one of the plurality of character string candidates selected by the electronic pen into the target language associated with the identification information of the electronic pen, wherein the display control unit is configured to: display a converted character string converted into the target language; and in response to selection of the converted character string, display a plurality of character string candidates in the recognition language corresponding to the converted character string, wherein the storing unit is configured to store, in the memory, the recognition language and the target language in association with the identification information of the electronic pen, and the plurality of character string candidates in the recognition language, wherein the recognition unit is configured to convert the hand drafted data in the recognition language associated with the identification information of the electronic pen having been used to input the hand drafted data, and wherein, in response to receiving selection of the converted character string by the electronic pen, the display control unit is configured to display again the plurality of character string candidates in the recognition language associated with the identification information of the electronic pen having been used to select the converted character string. a receiving unit configured to receive hand drafted data input by an electronic pen; a recognition unit configured to convert the hand drafted data into a plurality of character string candidates in a recognition language; a storing unit configured to store, in a memory, association information associating a target language with identification information of the electronic pen, the target language different from the recognition language; a display control unit configured to display, on a screen, the plurality of character string candidates; and a conversion unit configured to convert one of the plurality of character string candidates selected by the electronic pen into the target language associated with the identification information of the electronic pen, wherein the display control unit is configured to: display a converted character string converted into the target language; and in response to selection of the converted character string, display a plurality of character string candidates in the recognition language corresponding to the converted character string, display a converted character string converted into the target language; and in response to selection of the converted character string, display a plurality of character string candidates in the recognition language corresponding to the converted character string, wherein the storing unit is configured to store, in the memory, the recognition language and the target language in association with the identification information of the electronic pen, and the plurality of character string candidates in the recognition language, wherein the recognition unit is configured to convert the hand drafted data in the recognition language associated with the identification information of the electronic pen having been used to input the hand drafted data, and wherein, in response to receiving selection of the converted character string by the electronic pen, the display control unit is configured to display again the plurality of character string candidates in the recognition language associated with the identification information of the electronic pen having been used to select the converted character string.