10 TEXT : HOME : VTAB 10: PRINT "DO YOU NEED INSTRUCTIONS? (Y/N)";: GET IN$: PRINT : PRINT : PRINT : IF IN$ < >"Y" THEN 130
20 HOME : VTAB 5
25 HTAB 17: PRINT "<CTRL-G>N<CTRL-G>O<CTRL-G>T<CTRL-G>E<CTRL-G>:": VTAB 10: SPEED= 50: INVERSE : PRINT "ANSWERS TO YES/NO QUESTIONS ARE A 'Y' OR 'N'. DO ";: FLASH : PRINT "NOT";: INVERSE : PRINT " HIT 'RETURN' AFTER THESERESPONSES...":
27 FOR I = 1 TO 1000: NEXT I: SPEED= 255: NORMAL
30 PRINT "THIS PROGRAM WILL PLOT ANY FUNCTION BUT WILL NOT DO RELATIONS, SUCH AS ELIPSES."
40 PRINT : PRINT "TO USE, ENTER YOUR FUNCTION ON LINE 250 IN THE FORM SHOWN BELOW. USE 'BASIC' SYNTAX ONLY:"