The+Parabola

//Parabolic compass designed by Leonardo da Vinci //

In the form: **y=ax** //**2** // **+ bx + c**

In the form: ** y=a **** x **//**2** //** + q **

In the form: **y=a(x** **+ p)** **//2//**

In the form: **y=a(x** **+ p)** **//2//** **+ q**

In the form: **y=a(x** **+ x** ** 1 ** **)(x + x** **2** **)**

y=ax 2 +q