DELETE TYPES; READ FILE "eg10-3-7thedition.a4c"; COMPILE ex1 OF all; RUN {ex1.doparte}; SOLVE {ex1}; BROWSE {ex1}; STUDY P IN ex1 \ VARYING {T {317} {318} {319} {320} {321}} \ USING QRSlv \ OUTFILE C:/testvary.dat \ ERROR STOP;