\START85\ \COMMENT=Program file dated 09/19/98, 17:00 \NAME=CONICS \FILE=C:\TI85LINK\PROGRAMS\CONICS.85P :ClLCD :Disp "" :Disp " Conics" :Disp "" :Disp " by Nick Markham" :Disp "" :Disp " markhamnr@aol.com" :Pause :ClLCD :Disp "Ax\^2\+By\^2\+Cxy+Dx+Ey+F=0" :Prompt A,B,C,D,E,F :If B==0 :Then :y1=(A*x*x+D*x+F)/\(-)\(C*x+E) :Else :y1=(\(-)\(D+C*x)+\sqrt\((D+C*x)\^2\-4*B*(A*x*x+D*x+F)))/2/B :y2=(\(-)\(D+C*x)-\sqrt\((D+C*x)\^2\-4*B*(A*x*x+D*x+F)))/2/B :End :DispG :Stop : \STOP85\