complex.zip   STSC APL fcns for cmplx math, polynomials, & c
iapl111.zip   ISO/ANSI/BSI-conforming APL interpreter v1.11
ratapl.zip    Rationalized APL\PC v T1.4, by Andreas Werder
saplpc_a.zip  Sharp Assoc. APL interpreter -- 1 of 2
saplpc_b.zip  Sharp Assoc. APL interpreter -- 2 of 2