public static void Main(string[] args)
{
decimal output = 0;
DataContainer dc = new DataContainer();
Console.WriteLine("Write your number");
dc.FirstInput = Input.createInput();
Console.WriteLine("Write your number");
dc.SecondInput = Input.createInput();
if (InputValidation.CheckAll(dc.FirstInput) && InputValidation.CheckAll(dc.SecondInput))
{
dc.FirstNumber = dc.ConvertToDec(dc.FirstInput);
dc.SecondNumber = dc.ConvertToDec(dc.SecondInput);
Console.WriteLine("Write your operator [+,-,*,/,%]");
dc.Command = Input.createInput();
}
switch (dc.Command)
{
case "+":
output = MathOperations.Add(dc.FirstNumber, dc.SecondNumber);
break;
case "-":
output = MathOperations.Substract(dc.FirstNumber, dc.SecondNumber);
break;
case "*":
output = MathOperations.Multiply(dc.FirstNumber, dc.SecondNumber);
break;
case "/":
output = MathOperations.Divide(dc.FirstNumber, dc.SecondNumber);
break;
case "%":
output = MathOperations.Modulo(dc.FirstNumber, dc.SecondNumber);
break;
}
Console.WriteLine("Your result equals " + output);
Console.ReadKey();
}
static void Main(string[] args)
{
//variables declaration
string firstNumberTest;
string secondNumberTest;
double firstNumber;
double secondNumber;
double result;
bool firstNumberValid;
bool secondNumberValid;
bool OperationValid = false;
//Let user input two numbers and store them into variables.
//For each number loop until input is correct to prevent errors
do
{
Console.Write("Please enter first number: ");
firstNumberTest = Console.ReadLine();
firstNumberValid = Double.TryParse(firstNumberTest, out firstNumber);
} while (firstNumberValid == false);
do
{
Console.Write("Please enter second number: ");
secondNumberTest = Console.ReadLine();
secondNumberValid = Double.TryParse(secondNumberTest, out secondNumber);
} while (secondNumberValid == false);
//Inform user about available math operations
Console.WriteLine("Below are available operations to select:");
Console.WriteLine("1: Addition");
Console.WriteLine("2: Substraction");
Console.WriteLine("3: Multiplication");
Console.WriteLine("4: Division");
//Let user select one of the operations above and store it into variable
do
{
Console.Write("Enter selected operation: ");
int selectedOperation = Convert.ToInt32(Console.ReadLine());
//Perform selected math operation
switch (selectedOperation)
{
case 1:
result = MathOperations.Addition(firstNumber, secondNumber);
Console.WriteLine(firstNumber + " + " + secondNumber + " = " + result);
OperationValid = true;
break;
case 2:
result = MathOperations.Substraction(firstNumber, secondNumber);
Console.WriteLine(firstNumber + " - " + secondNumber + " = " + result);
OperationValid = true;
break;
case 3:
result = MathOperations.Multiplication(firstNumber, secondNumber);
Console.WriteLine(firstNumber + " * " + secondNumber + " = " + result);
OperationValid = true;
break;
case 4:
result = MathOperations.Division(firstNumber, secondNumber);
Console.WriteLine(firstNumber + " / " + secondNumber + " = " + result);
OperationValid = true;
break;
default:
Console.WriteLine("Invalid number! Please select one of the following:");
Console.WriteLine("1: Addition");
Console.WriteLine("2: Substraction");
Console.WriteLine("3: Multiplication");
Console.WriteLine("4: Division");
break;
}
} while (OperationValid == false);
//Pause the script
Console.ReadLine();
}
public Form1()
{
InitializeComponent();
textBox1.Text = "";
math = new MathOperations();
}
public MathLibrary(MathOperations sum, MathOperations subtract, MathOperations multiply, MathOperations divide)
{
m_Sum = sum;
m_Subtract = subtract;
m_Multiply = multiply;
m_Divide = divide;
m_Commands['+'] = m_Sum;
m_Commands['-'] = m_Subtract;
m_Commands['*'] = m_Multiply;
m_Commands['/'] = m_Divide;
}