An electronic device comprising: a housing; an interactive display connected to the housing; a frame associated with the interactive display; a single camera coupled to the interactive display in one corner of the frame; and a position determination circuit coupled to the camera and the interactive display, the position determination circuit configured to determine a position of an object in proximity to the interactive display based on images captured by the single camera, the electronic device further comprising at least two mirrors (228,229) attached to different frame sides; the position determination circuit being further configured to: determine a position of the object with respect to the interactive display based on images obtained from the single camera and the at least two mirrors by triangulation; characterized in that the position determination circuit is further configured to: capture and store a background image of the interactive display using the single camera before a user interacts with the interactive display; obtain a plurality of images using the single camera and the at least two mirrors (228,229); subtract the stored background image from each of the obtained plurality of images to provide a plurality of subtracted images; and to calculate the position of the object on the interactive display based on the plurality of subtracted images, wherein the position determination circuit is further configured to calculate the position of the object by: calculating first and second angles for each of the plurality of subtracted images, the first angle corresponding to a start position of the object and the second angle corresponding to a stop position of the object, the angles being respectively measured between the object, the camera position and one thereto adjacent frame side; and calculating coordinates of the object with respect to the interactive display based on the calculated first and second angles for each of the plurality of subtracted images. a housing; an interactive display connected to the housing; a frame associated with the interactive display; a single camera coupled to the interactive display in one corner of the frame; and a position determination circuit coupled to the camera and the interactive display, the position determination circuit configured to determine a position of an object in proximity to the interactive display based on images captured by the single camera, determine a position of the object with respect to the interactive display based on images obtained from the single camera and the at least two mirrors by triangulation; capture and store a background image of the interactive display using the single camera before a user interacts with the interactive display; obtain a plurality of images using the single camera and the at least two mirrors (228,229); subtract the stored background image from each of the obtained plurality of images to provide a plurality of subtracted images; and to calculate the position of the object on the interactive display based on the plurality of subtracted images, calculating first and second angles for each of the plurality of subtracted images, the first angle corresponding to a start position of the object and the second angle corresponding to a stop position of the object, the angles being respectively measured between the object, the camera position and one thereto adjacent frame side; and calculating coordinates of the object with respect to the interactive display based on the calculated first and second angles for each of the plurality of subtracted images.