a # 1 61 R ' z # float x                                                 '
a # a,[1]  '"float - convert to multiprecision floating point.           '
a # a,[1]  '"from ''the apl handbook of techniques'' copyright 1978, ibm.  '
a # a,[1]  '"-if x is scalar, it will be converted to an mp floating     '
a # a,[1]  '" point number of precision 3.                               '
a # a,[1]  '"-see the description of mp floating point format for Hfadd. '
a # a,[1]  '"-uses Hcan.                                                 '
a # a,[1]  ' $(0<Rz#x)/0                                                 '
a # a,[1]  ' x#D10000000@(x=0)+|x                                        '
a # a,[1]  ' z#(x_2),1Ucan zX10000000*2_x                                '
Lfx a