PROG : 16509
D-FILE: 16609
VARS : 17402
E-LINE: 17427
STKBOT: 17439
STKEND: 17439
9999 means line number
PRINT means treat as KEYWORD P
10 FOR X=0 TO 30 STEP .3
20 LET L=15+14*SIN X
30 PRINT TAB L;"ZX"
40 IF X>6.3 THEN SCROLL
50 NEXT X