an improved electronic whiteboard is provided . the improved electronic whiteboard includes a plurality of toggle switches along a vertical side for drawing vertical straight lines across the electronic whiteboard and a plurality of toggle switches along a horizontal side for drawing horizontal straight lines across the electronic whiteboard . when some or all the switches along the vertical side are turned on , vertical straight lines are drawn across the electronic whiteboard . likewise , when some or all the switches along the horizontal side are turned on , horizontal straight lines are drawn across the electronic whiteboard . the intersections of the vertical straight lines with the horizontal straight lines form a plurality of grid cells . the electronic whiteboard contains means for determining the location of these cells .