How do you enter a function that is squared

[DaveC]

I am new to Mathcad, and am using Mathcad 15 for the moment. I am taking note as I read through my Physics book and want to enter the equaition for linear motion (single dimention). If I enter the following,

and

The error, "A name is required here". I tried defining the above as:

Which is equivalent, but, less desirable in my case. Is there no way to enter a function definition as a polynomial as I attempted?

Thanks in advance,

Dave

[DaveC]

Well, unfortunately, the board does not take a copy of an equation directly from Mathcad 15. The equations in my post should read:

  2                2

v(v0,a,t):=v0 + 2*a*x

             2      2

v(v0,a,t) :=v0 + 2*a*x                    <- Matcad display error "A name is required here."

and

                        ----------------

                      /   2

v(vo,a,x) := -/ v0   + 2*a*x                 <- Mathcad accepts this

Dave