1 REM PC-BASIC test 
2 REM test for memory release by ERASE 
3 REM submitted by spaglia
5 OPEN "OUTPUT.TXT" FOR OUTPUT AS 1
10 FOR J=1 TO 250
20 DIM BALLS[69]
30 ERASE BALLS
40 PRINT#1, FRE(0)
50 NEXT J
60 CLOSE
