{HEAD ~ The apparatus} 1, wherein {TAIL ~ the apparatus} comprises a calculator which performs calculations during the normal mode 
wherein
{ HEAD ~ The apparatus } 1 , wherein { TAIL ~ the apparatus } comprises a calculator which performs calculations during the normal mode
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH