using System.Collections.Generic;
public static void Main()
Expression expr = new Expression("SUM(a)");
expr.Bind("a", new List<Decimal> { 2m, 3m, 16m });
Decimal sum = expr.Eval<Decimal>();
Console.WriteLine("Sum: "+sum);
expr.SetFomular("AVERAGE(a)");
Decimal avg = expr.Eval<Decimal>();
Console.WriteLine("Avg: "+avg);