a # 1 61 R ' r # scale mp                                                '
a # a,[1]  '"scale - scalar approximation of mp.                         '
a # a,[1]  '"from ''the apl handbook of techniques'' copyright 1978, ibm.  '
a # a,[1]  ' r#(10000000*1Ymp)X10000000B1Ump                             '
Lfx a