In this step B1, if the answer is N , in other words, if it is determined that the connection is not made, {HEAD ~ control} goes to step B2, and {TAIL ~ the data} keyed in from keyboard 16 is handled in the normal small electronic calculator fashion 
In this step B1 , if the answer is N , in other words , if it is determined that the connection is not made , { HEAD ~ control } goes to step B2 , and { TAIL ~ the data } keyed in from keyboard 16 is handled in the normal small electronic calculator fashion
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 OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH