:I=0 :Prompt X 'Make a guess as to what you think X's value is :Lbl 1 :X-Y1/Y2->C :C->A 'We need a second storage of what the first approximation was :C->X 'X is our actual root :X-Y1/Y2->D 'Runs it again so yields can be valued against each other :D->B :D->X :I+1->I :If A=B :Goto 2 :If A!=B :Goto 1 :Lbl 2 :Disp "ROOT==",X :Disp "INTS==",I