Vertex TI-83 or 84 family

prgmCLEAR
Input "INPUT A: ",A
Input "INPUT B: ",B
Input "INPUT C: ",C
prgmCLEAR
((­B)/(2A))→D
(((A(D^2))+(BD)+C))→E
Text(1,1,"X= ",D)
Text(20,1,"Y= ",E)