CLEAR FOR I=1 TO 20 IF I=1 STORE I TO A,B ELSE A=A+B B=A+B ENDIF ?A,B,A+B ENDFOR
Clear DIMENSION lie(20) lie(1)=1 lie(2)=1 FOR i=1 TO 20 If i >= 3 lie(i)=lie(i-1)+lie(i-2) endif ?lie(i) ENDFOR
clear aa=0 bb=1 FOR i =1 to 20 aa=aa+bb ?aa bb=aa-bb ENDFOR