/// <summary>
/// Method for adding field element <paramref name="a"/> to field element <paramref name="b"/>
/// </summary>
/// <param name="a">First term</param>
/// <param name="b">Second term</param>
/// <returns>Sum</returns>
public static FieldElement Add(FieldElement a, FieldElement b)
{
var c = new FieldElement(a);
return(c.Add(b));
}