Abstract: A device for the display and editing of knitting patterns to be produced by means of a flat-bed knitting machine has an image memory containing the knitting pattern loop by loop in an arrangement by lines and columns, which is on its input side connected with a horizontal and a vertical address counter and on its output side with a monitor, furthermore a CPU for the programmed control of the image memory and of the monitor, and a data entry device. In order to obtain in such a device a change in the knitting pattern, especially the stretching of loops, in a simpler and quicker way and with a lesser need for memory locations, a device is provided for the pre-determined change by line or point of at least parts of the data content read from the image memory, in which image memory a memory location each is associated with a corresponding loop of the knitting pattern, as well as for displaying of both the changed part of the data content and the unchanged part of the data content on the monitor.