static double func(integral formula, double a, double b, double e)
{
int n = 10;
double h = 0;
double sum = 0, sum1 = 0;
do
{
h = (b - a) / n;
sum = 0; sum1 = 0;
for (double i = a; i < b; i += h)
{
sum += formula(i);
}
sum = h * sum;
n = 2 * n;
h = (b - a) / n;
for (double i = a; i < b; i += h)
{
sum1 += formula(i);
}
sum1 = h * sum1;
n = 2 * n;
}
while (Math.Abs(sum - sum1) > e);
return sum1;
}
static void Main(string[] args)
{
//prompt for the grade
Console.WriteLine("Hello, what grade do you expect to get in ISM 4300");
try
{
string input = Console.ReadLine();
integral score = int.TryParse(input);
integer = 0;
int score; //input score
//parse to integer
if (int.TryParse(input, out score))
{
if (score < 60)
{
Console.WriteLine("per Syllabus your letter grade is F");
Console.WriteLine("Press any key to exit the program...");
Console.ReadKey(true);
Console.WriteLine("Per Syllabus your letter grade is F");
}
else if (score 60, 61)
{
else if (score >= 60 && score <= 61)
{
Console.WriteLine("per Syllabus your letter grade is D-");
Console.WriteLine("Press any key to exit the program...");
Console.ReadKey(true);
Console.WriteLine("Per Syllabus your letter grade is D-");
}
else if (score 62 - 67)
{
else if (score >= 62 && score <= 67)
{
Console.WriteLine("Per Syllabus your letter grade is D");
Console.WriteLine("Press any key to exit the program...");
Console.ReadKey(true);
}
else if (score 68, 69)
{
