static void Main(string[] args)
{
Console.Write("Enter Input:");
string input = Console.ReadLine();
string[] splitInput = input.Split('=');
int index = char.IsLetter(splitInput[0].Replace(" ", "")[0]) ? 1 : 0;
string sideWithEquation = splitInput[index];
if (sideWithEquation.StartsWith('-') || sideWithEquation.StartsWith('+'))
{
sideWithEquation = "0" + sideWithEquation;
}
if (sideWithEquation.StartsWith('*') || sideWithEquation.StartsWith('/'))
{
sideWithEquation = sideWithEquation.Remove(0, 1);
}
sideWithEquation = sideWithEquation.Replace(" ", "");
result = EnumerableMethod.SplitAndKeep(sideWithEquation, pattern);
listOfStr.AddRange(result);
//Compute right hand side
string[] equation = listOfStr.ToArray();
//compute for * and /
for (int i = 0; i < equation.Length; i++)
{
string item = equation[i];
double num = 0;
switch (item)
{
case "*":
num = Convert.ToDouble(equation[i - 1]) * Convert.ToDouble(equation[i + 1]);
break;
case "/":
num = Convert.ToDouble(equation[i - 1]) / Convert.ToDouble(equation[i + 1]);
break;
}
if (num > 0)
{
equation[i - 1] = "";
equation[i] = "";
equation[i + 1] = num.ToString();
}
}
//Now compute for + and-
equation = string.Join(" ", equation).Split(' ', StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < equation.Length; i++)
{
string item = equation[i];
double num = 0;
switch (item)
{
case "+":
num = Convert.ToDouble(equation[i - 1]) + Convert.ToDouble(equation[i + 1]);
break;
case "-":
num = Convert.ToDouble(equation[i - 1]) - Convert.ToDouble(equation[i + 1]);
break;
}
if (num > 0 || num < 0)
{
equation[i - 1] = "";
equation[i] = "";
equation[i + 1] = num.ToString();
}
}
string total = string.Join("", equation);
//display what x is
try
{
// your code
total = string.Format("{0:N2}", Convert.ToDouble(total));
if (!(Fraction.IsWholeNumber(Convert.ToDouble(total))))
{
number = Fraction.DecimalToFraction(Convert.ToDouble(total));
}
else
{
number = total;
}
Console.WriteLine($"Output = {number}");
Console.ReadKey();
}
catch (Exception e)
{
Console.WriteLine($"Error = {e.Message }");
Console.Read();
}
Console.WriteLine("------------------------\n");
// Wait for the user to respond before closing.
Console.Write("Press 'n' and Enter to close the app, or press any other key and Enter to continue: ");
if (Console.ReadLine() == "n")
{
Console.WriteLine("\n"); // Friendly linespacing.
}
}
public LinkedField(string target, ExpressionType type = (ExpressionType)EQUALS, EnumerableMethod enumMethod = 0)
{
TargetField = target;
Type = type;
switch (enumMethod)
{
case EnumerableMethod.FirstOrDefault: EnumMethod = "FirstOrDefault"; break;
case EnumerableMethod.None: EnumMethod = "!Any"; break;
default:
case EnumerableMethod.Any: EnumMethod = "Any"; break;
}
}
