Replace -> with the STO> key L1 and L2 are list variable, key correctly Program start (90/65)(90/65)->F 1->C {0}->L {0}->L Lbl 0 Menu("MOTION CONTROL","FORWARD",1,"BACK",2,"LEFT",3,"RIGHT",4,"START MOTION",99 Lbl 1 122->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "MILLISECONDS TO" Disp "GO FORWARD:" Input B B->L(C) Goto 9 Lbl 2 100->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "MILLISECONDS TO" Disp "GO BACK:" Input B B->L(C) Goto 9 Lbl 3 112->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "DEGREES TO" Disp "TURN LEFT:" Input B B*F->L(C) Goto 9 Lbl 4 121->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "MILLISECONDS TO" Disp "GO RIGHT:" Input B B*F->L(C) Goto 9 Lbl 9 C+1->C Goto 0 Lbl 99 For(I,1,dim(L):Send({L(I),L(I)} Get(R) End F 1->C {0}->L {0}->L Lbl 0 Menu("MOTION CONTROL","FORWARD",1,"BACK",2,"LEFT",3,"RIGHT",4,"START MOTION",99 Lbl 1 122->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "MILLISECONDS TO" Disp "GO FORWARD:" Input B B->L(C) Goto 9 Lbl 2 100->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "MILLISECONDS TO" Disp "GO BACK:" Input B BL(C) Goto 9 Lbl 3 112->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "DEGREES TO" Disp "TURN LEFT:" Input B B*F->L(C) Goto 9 Lbl 4 121->L(C) ClrHome Disp "ENTER NUMBER OF" Disp "MILLISECONDS TO" Disp "GO RIGHT:" Input B B*F->L(C) Goto 9 Lbl 9 C+1->C Goto 0 Lbl 99 For(I,1,dim(L):Send({L(I),L(I)} Get(R) End