LET twoAgo = 0; LET oneAgo = 1; PRINT "Fibonacci sequence: "; PRINT twoAgo + " "; PRINT oneAgo + " "; FOR i = 1 TO 20; LET current = twoAgo + oneAgo; PRINT current + " "; LET twoAgo = oneAgo; LET oneAgo = current; LET frequencyNumber = 100 + current; BEEPW frequencyNumber, 30; NEXT i;