A medical handheld device having a bi-stable display, which can be supplemented by a further display, is presented. The display of the medical handheld device can have a display surface. The display surface can have a keypad in the form of a matrix of sensors. The matrix of sensors can be coupled to image segments on the display surface and can detect touches on the display surface. By coupling the matrix of sensors to the image segments of the display surface, a change of the representation of touched areas of the display surface can occur.