/// <summary>
/// Calculate the result of this equation
/// terms that are valued are operated with its numeric value
/// </summary>
/// <param name="clean">true if calculate again</param>
/// <returns>string representation number or algebraic</returns>
public string Calculate(bool clean)
{
IArithmetic output = this.eq.Compute();
if (output.IsDouble())
{
return(output.ToDouble().ToString());
}
else
{
return(output.ToString());
}
}