"CODE" 34011;
   "REAL" "PROCEDURE" MATVEC(L, U, I, A, B); "VALUE" L,U,I;
   "INTEGER" L,U,I; "ARRAY" A,B;
   "BEGIN" "INTEGER" K; "REAL" S;
       S:= 0;
       "FOR" K:=L "STEP" 1 "UNTIL" U "DO" S:= A[I,K] * B[K] + S;
       MATVEC:= S
   "END" MATVEC;
       "EOP"