/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <param name="evp"></param>
public override void Visit(Syntax.Expression element, EvaluationParam evp)
{
var a = new NCalc.Expression(element.formula).Evaluate();
result = new Result();
result.Value = a;
}
public abstract void Visit(Syntax.Expression element, EvaluationParam evp);
public abstract void Visit(Syntax.Expression element);
