20 PRINT " As in the case of the CONCAVE mirror, the line perpendicular to the CONVEX mirror must pass through the"
30 PRINT "center of an imaginary circle created from the mirror. Always, the angle of INCIDENCE is equal to the angle of "
40 PRINT "REFLECTION."
45 PRINT : PRINT : PRINT : PRINT : PRINT
50 GOSUB 300
60 PRINT "Press <P> for another look at the CONVEX mirror or press <N> for something to reflect upon."
62 GET KY$
64 IF KY$ = "P" OR KY$ = "p" THEN PRINT CHR$(4);"run m3"
66 IF KY$ = "N" OR KY$ = "n" THEN GOTO 310
67 PRINT
68 PRINT "Please enter either <P> or <N> only."
69 PRINT
70 GOTO 62
300 FOR I = 0 TO 3800
302 J = 1
304 NEXT I
306 RETURN
310 HOME : TEXT
312 PRINT : PRINT : PRINT : PRINT
313 PRINT "Did you know....": PRINT
314 PRINT "That if an object is centered between two mirrors that are facing each other, you can calculate the number of images "
315 PRINT "that will be reflected?"
316 PRINT : GOSUB 600: PRINT
317 PRINT "You can!": PRINT
318 PRINT "Simply measure the angle between the two mirrors. Divide 360 by that angle. Then subtract one from the result of the division."
320 PRINT : PRINT : PRINT : PRINT
322 GOSUB 600
330 PRINT "Now it is time for some questions. For each, respond by entering the character corresponding to the correct answer. Press any key when you are ready to start."