static void Main(string[] args)
{
Double currentVar = 0;
Boolean flag = true;
string state = "";
string str;
Queue <Double> queue = new Queue <Double>();
while (flag)
{
Console.WriteLine("Hello, do you want to choose option?");
string option = Console.ReadLine();
if (option.Equals("Yes"))
{
state = Console.ReadLine();
}
switch (state)
{
case "Add":
while (true)
{
Console.WriteLine("Enter value");
str = Console.ReadLine();
if (Program.Check(str))
{
queue.Enqueue(Double.Parse(str));
}
Console.WriteLine("Do you want to stop?");
str = Console.ReadLine();
if (str.Equals("Yes"))
{
break;
}
}
break;
case "Single":
SingleOp op = new SingleOp();
Console.WriteLine(currentVar);
currentVar = op.Action(currentVar);
break;
case "Multiple":
List <Double> list = new List <Double>();
foreach (Double var in queue)
{
list.Add(var);
}
MultipleOp multipleOp = new MultipleOp();
multipleOp.Action(currentVar, list);
break;
case "Binary":
BinaryOp binOp = new BinaryOp();
Double secondVar;
secondVar = queue.Dequeue();
currentVar = binOp.Action(currentVar, secondVar);
break;
case "Exit":
flag = false;
break;
case "Clear":
currentVar = 0;
break;
case "Change":
bool numb = true;
Console.WriteLine("Enter value");
while (numb)
{
str = Console.ReadLine();
if (Program.Check(str))
{
currentVar = Double.Parse(str);
numb = false;
}
else
{
Console.WriteLine("Incorrect value");
}
}
break;
}
Console.WriteLine(currentVar);
}
}
public Double C(Double first, Double second)
{
SingleOp singleop = new SingleOp();
return((singleop.Fact(first)) / (singleop.Fact(second) * singleop.Fact(first - second)));
}