Program the quadratic on your calc!

goto programs

hit new

call it quad

input the following lines

using the programing menu

:Input A

:Input B

:Input C

:Prompt A,B,C

:Disp (-B+√(B^2-4AC))/(2A) 
:Disp (-B-√(B^2-4AC))/(2A)

now you can hit run or execute and it will ask you

a?

b?

c?

these are your a,b,c terms respectively.