An information-processing device comprising a control unit connectable with a display, the control unit comprising: a display controller for displaying an image with a first magnification on the display and, when a magnification mode is entered in response to an operation performed by a user, for displaying a partial image (Im11a) on the display, which is a predetermined part of the image displayed with a first magnification at a position relative to the currently displayed image with the first magnification, with a second magnification that is greater than the first magnification, wherein the image and the partial image (Im11a) are not displayed simultaneously on the display, and wherein said position is defined by position information indicating which part of the image is to be magnified and displayed as partial image, said position information being initialized to a predetermined position, a scroll controller which is adapted to scroll the magnified partial image displayed in the magnification mode and is adapted to scroll the image with the first magnification in the non-magnification mode in response to a scroll input operation by the user, wherein, when the scroll operation is performed in the magnification mode, the scroll controller is adapted to retain as position information, when the magnification mode is terminated, a last updated position of the scrolled magnified partial image in the image with the first magnification, and wherein, when the magnification mode is terminated after the scroll operation was performed in the magnification mode, the same image is displayed with the first magnification as prior to the scroll operation in the magnification mode, wherein, when the scroll operation is performed in the non-magnification mode, the scroll controller is adapted to record, as such position information, a fixed central position relative to the currently scrolled image displayed with the first magnification, and wherein, when the magnification mode is entered again after a scrolling operation, the display controller is adapted to display a magnified partial image corresponding to the position information. a display controller for displaying an image with a first magnification on the display and, when a magnification mode is entered in response to an operation performed by a user, for displaying a partial image (Im11a) on the display, which is a predetermined part of the image displayed with a first magnification at a position relative to the currently displayed image with the first magnification, with a second magnification that is greater than the first magnification, wherein the image and the partial image (Im11a) are not displayed simultaneously on the display, and wherein said position is defined by position information indicating which part of the image is to be magnified and displayed as partial image, said position information being initialized to a predetermined position, a scroll controller which is adapted to scroll the magnified partial image displayed in the magnification mode and is adapted to scroll the image with the first magnification in the non-magnification mode in response to a scroll input operation by the user, wherein, when the scroll operation is performed in the magnification mode, the scroll controller is adapted to retain as position information, when the magnification mode is terminated, a last updated position of the scrolled magnified partial image in the image with the first magnification, and wherein, when the magnification mode is terminated after the scroll operation was performed in the magnification mode, the same image is displayed with the first magnification as prior to the scroll operation in the magnification mode, wherein, when the scroll operation is performed in the non-magnification mode, the scroll controller is adapted to record, as such position information, a fixed central position relative to the currently scrolled image displayed with the first magnification, and wherein, when the magnification mode is entered again after a scrolling operation, the display controller is adapted to display a magnified partial image corresponding to the position information.