public double getResult(Queue<String> queue)
    {
        Stack<Double> stack = new Stack<>();
        String next = queue.remove();
        double temp = 0;
        while(queue.size() >= 0)
        {
            switch (next)
            {
                case "+":
                {
                    double a = stack.pop(), b = stack.pop();
                    temp = a + b;
                    stack.push(temp);
                    break;
                }
                case "-":
                {
                    double a = stack.pop(), b = stack.pop();
                    temp = b - a;
                    stack.push(temp);
                    break;
                }
                case "*":
                {
                    double a = stack.pop(), b = stack.pop();
                    temp = a * b;
                    stack.push(temp);
                    break;
                }
                case "^":
                {
                    double a = stack.pop(), b = stack.pop();
                    temp = Math.pow(b, a);
                    stack.push(temp);
                    break;
                }
                case "/":
                {
                    double a = stack.pop(), b = stack.pop();
                    temp = b / a;
                    stack.push(temp);
                    break;
                }
                case "!":
                {
                    long a = (long)(stack.pop()).doubleValue();
                    if (a >= 16)
                        a++;
                    else
                    {
                        long t = 1;
                        for (int i = 1; i <= a; i++)
                            t *= i;
                        stack.push((double)t);
                    }
                    break;
                }
                case "sin":
                {
                    double a = stack.pop();
                    temp = Math.sin(a);
                    stack.push(temp);
                    break;
                }
                case "cos":
                {
                    double a = stack.pop();
                    temp = Math.cos(a);
                    stack.push(temp);
                    break;
                }
                case "tan": {
                    double a = stack.pop();
                    temp = Math.tan(a);
                    stack.push(temp);
                    break;
                }
                case "sqrt":
                {
                    double a = stack.pop();
                    temp = Math.sqrt(a);
                    stack.push(temp);
                    break;
                }
                case "ln":
                {
                    double a = stack.pop();
                    temp = Math.log(a);
                    stack.push(temp);
                    break;
                }
                case "log":
                {
                    double a  = stack.pop();
                    temp = Math.log10(a);
                    stack.push(temp);
                    break;
                }
                case "abs":
                {
                    double a  = stack.pop();
                    temp = Math.abs(a);
                    stack.push(temp);
                    break;
                }
                case "m":
                {
                    stack.push(-stack.pop());
                    break;
                }
                default:
                {
                    stack.push(Double.parseDouble(next));
                    break;
                }
            }
            if (queue.size() == 0)
                return stack.pop();
            else
                next = queue.remove();
        }
        try {
            if (stack.size() > 0)
                throw new Exception("Аператары і аперанды не супадаюць");
        }
        catch (Exception ex) { }
        return temp;
    }