An apparatus and method are disclosed for use in a device, such as a handheld printer or scanner, having functionality that requires information of {HEAD ~ its position} relative to {TAIL ~ an origin} and initial orientation 
relative to
An apparatus and method are disclosed for use in a device , such as a handheld printer or scanner , having functionality that requires information of { HEAD ~ its position } relative to { TAIL ~ an origin } and initial orientation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH