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