#include <stdio.h> 
   
  int main() 
  { 
  	float a,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,sonuc,b,b2; 
  	int ders,hafta,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16; 
  	printf("Ders sayinizi yaziniz :"); scanf("%d",&ders); 
  	 
  	switch(ders) 
  	{ 
  		 
  		case 8 : { 
  			printf("1.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a); 
  			printf("1. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b); 
  			printf("2.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a2); 
  			printf("2. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b2); 
  			printf("3.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a3); 
  			printf("3. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b3); 
  			printf("4.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a4); 
  			printf("4. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b4); 
  			printf("5.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a5); 
  			printf("5. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b5); 
  			printf("6.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a6); 
  			printf("6. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b6); 
  			printf("7.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a7); 
  			printf("7. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b7); 
  			printf("8.Dersinizi haftada kac saat goruyorsunuz? :"); scanf("%d",&a8); 
  			printf("8. Dersinizin Ortalama Notu                :"); scanf("%.2f",&b8); 
  			printf("Haftada gordugunuz toplam ders sayisi      :"); scanf("%d",&hafta); 
  			sonuc=((a*b)+(a2*b2)+(a3*b3)+(a4*b4)+(a5*b5)+(a6*b6)+(a7*b7)+(a8*b8))/hafta; 
  			 
  			printf("YIL SONU BAŞARI PUANI: %.2f",sonuc); 
  			break; 
  		} 
  			 
  	} 
  } 
  

#include <stdio.h> 
  #include <stdlib.h> 
  #include <math.h> 
  #include <time.h> 
  // default values 
  #define MATRIX_SIZE 5 
  #define VALUE_MIN 1 
  #define VALUE_MAX 5 
  // functions 
  double compute_determinant(int matrix[MATRIX_SIZE][MATRIX_SIZE]); 
  void matrix_create(int matrix[MATRIX_SIZE][MATRIX_SIZE], int min_val, int max_val); 
  void matrix_print(int matrix[MATRIX_SIZE][MATRIX_SIZE]); 
  // main function 
  int main(int argc, char *argv[]) 
  { 
  	// variables 
  	int matrix[MATRIX_SIZE][MATRIX_SIZE]; 
  	int row, column; 
  	// generate different numbers 
  	srand(time(NULL)); 
  	// create a matrix with random numbers 
  	matrix_create(matrix, VALUE_MIN, VALUE_MAX); 
  	// print matrix 
  	matrix_print(matrix); 
  	// calculate determinant of matrix 
  	printf("Determinant of NxN Matrix:\t%d", compute_determinant(matrix)); 
  	return 0; 
  } 
  // compute determinent of matrix 
  double compute_determinant(int matrix[MATRIX_SIZE][MATRIX_SIZE]) { 
  	 
   
   
   
  	return 0.0; 
  } 
  // print matrix 
  void matrix_print(int matrix[MATRIX_SIZE][MATRIX_SIZE]) { 
  	int row, column; 
   
  	for(row = 0; row < MATRIX_SIZE; row++) { 
  		for(column = 0; column < MATRIX_SIZE; column++) { 
  			printf("%d\t", matrix[row][column]); 
  		} 
  		printf("\n"); 
  	} 
  } 
  // create matrix 
  void matrix_create(int matrix[MATRIX_SIZE][MATRIX_SIZE], int min_val, int max_val) { 
  	int row, column; 
  	srand(time(NULL)); 
   
  	for(row = 0; row < MATRIX_SIZE; row++) { 
  		for(column = 0; column < MATRIX_SIZE; column++) { 
  			matrix[row][column] = (rand() % (max_val-min_val+1)) + min_val; 
  		} 
  	} 
  } 
  

using System; 
  using System.Collections.Generic; 
  using System.ComponentModel; 
  using System.Data; 
  using System.Drawing; 
  using System.Text; 
  using System.Windows.Forms; 
  using System.IO; 
  using System.Diagnostics; 
   
  namespace servo_ferdem 
  { 
      public partial class Form1 : Form 
      { 
          public void send(byte data) 
          { 
             
               
              if (serialPort1.IsOpen) 
              { 
                   
                   
                  byte[] buffer = { 0 }; 
                  buffer[0] = data; 
                  serialPort1.Write(buffer, 0, 1); 
   
                   
                  /*serialPort1.Write(new byte[] {data} , 0, 1);*/ 
   
              } 
              else 
              { 
                  if (!serialPort1.IsOpen) 
                  { 
                      serialPort1.PortName = comboBox1.SelectedItem.ToString(); 
                      serialPort1.Open(); 
                      textBox1.Text = "seri porta bağlandınız"; 
                  }  
                  //MessageBox.Show("Port açık değil"); 
                  
              } 
   
          } 
   
          public Form1() 
          { 
              InitializeComponent(); 
          } 
   
          private void Form1_Load(object sender, EventArgs e) 
          { 
              textBox1.Text = "seri porta bağlandınız....";  
              comboBox1.DataSource = System.IO.Ports.SerialPort.GetPortNames(); 
              comboBox1.SelectedItem = 1; 
          } 
   
          private void button1_Click(object sender, EventArgs e) 
          { 
              if (!serialPort1.IsOpen) 
              { 
                  serialPort1.PortName = comboBox1.SelectedItem.ToString(); 
                  serialPort1.Open(); 
              } 
          } 
   
          private void button2_Click(object sender, EventArgs e) 
          { 
              if (serialPort1.IsOpen) 
                  serialPort1.Close(); 
          } 
   
   
          private void trackBar1_MouseUp(object sender, MouseEventArgs e) 
          { 
               
              send(10); //sira ilk servonun 
              send(Byte.Parse(trackBar1.Value.ToString())); 
           
          } 
   
          private void trackBar2_MouseUp(object sender, MouseEventArgs e) 
          { 
            // 
              send(20); //sira ikinci servonun 
              send(Byte.Parse(trackBar2.Value.ToString())); 
          } 
   
          private void trackBar3_MouseUp(object sender, MouseEventArgs e) 
          { 
   
               
              send(30); //sira ucuncu servonun 
              send(Byte.Parse(trackBar3.Value.ToString())); 
          } 
   
          private void hakkındaToolStripMenuItem_Click(object sender, EventArgs e) 
          { 
              MessageBox.Show("Servo kontrol "); 
               
          } 
   
          private void trackBar1_Scroll(object sender, EventArgs e) 
          { 
              label5.Text = trackBar1.Value.ToString(); 
          } 
   
          private void trackBar2_Scroll(object sender, EventArgs e) 
          { 
              label6.Text = trackBar2.Value.ToString(); 
          } 
   
          private void trackBar3_Scroll(object sender, EventArgs e) 
          { 
              label7.Text = trackBar3.Value.ToString(); 
          } 
   
          private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) 
          { 
   
          } 
   
      } 
  }

            Int32 altbyte; 
              Int32 ustbyte; 
              Int32 maskeust = 0xff000000; 
              Int32 maskealt = 0x000000ff; 
               
              Int32 sayi= Convert.ToInt32(textBox1.Text); 
              
               altbyte = maskealt & sayi; 
               ustbyte = maskeust & sayi; 
              textBox2.Text = Convert.ToString("altbayte= "+altbyte+"  üstbyte= "+ustbyte);