diff --git a/DeitelC/BonusInstructor.c b/DeitelC/BonusInstructor.c
new file mode 100644
index 0000000..41fe9f3
--- /dev/null
+++ b/DeitelC/BonusInstructor.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+int main(void) {
+    int total = 0;
+    int grade = 0;
+    int pass = 0;
+    int fail = 0;
+
+    while(total < 10) {
+        printf("%s","Enter grade (grades must be 1 or 2 !) ");
+        scanf("%d", &grade);
+        if(grade == 1) {
+            fail = fail + 1;
+        } else {
+            pass = pass + 1;
+        }
+        total = total + 1;
+    }
+    puts((pass >= 8) ? "Bonus to Instructer!" : "");
+}
\ No newline at end of file
diff --git a/DeitelC/ClassAvarage.c b/DeitelC/ClassAvarage.c
new file mode 100644
index 0000000..ea83c32
--- /dev/null
+++ b/DeitelC/ClassAvarage.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+
+int main(void) {
+    int total = 0;
+    int counter = 0;
+
+    printf("%s","Enter grades!, -1 to End: ");
+    int grade = 0;
+    scanf("%d", &grade);
+    while(grade != -1) {
+        total = total + grade;
+        counter = counter + 1;
+
+        printf("%s", "Enter grades!, -1 to End: ");
+        scanf("%d", &grade);
+    }
+
+    if (counter != 0) {
+
+    double avarage = (double) total / counter;
+
+    printf("Class average is %.2f\n", avarage);
+    printf("%d ", total);
+    printf("%d ", counter);
+    printf("%.0f", avarage);
+
+
+    } else {
+        puts("Enter a valid number!");
+    }
+}
\ No newline at end of file
diff --git a/DeitelC/ConditionalExpression.c b/DeitelC/ConditionalExpression.c
new file mode 100644
index 0000000..126481f
--- /dev/null
+++ b/DeitelC/ConditionalExpression.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main() {
+    int grade;
+    printf("%s\n", "Enter your grade!");
+    scanf("%d", &grade);
+    if (grade >= 60) {
+        printf("%s\n", "You passed!");
+
+    } else {
+        printf("%s\n", "You failed!");
+        printf("%d\n", grade);
+    }
+        printf((grade <= 60) ? "Fail" : "Passed");    
+}
\ No newline at end of file
diff --git a/DeitelC/PseudocodeBonusInstructor.md b/DeitelC/PseudocodeBonusInstructor.md
new file mode 100644
index 0000000..8b98600
--- /dev/null
+++ b/DeitelC/PseudocodeBonusInstructor.md
@@ -0,0 +1,5 @@
+1- 10 results must entered!
+2- Each number 1 or 2 if number none of this than program only checks number = 1 if is not than program thinks
+it's 2
+3- Two counters are used one to count the number of students who passed and failed.
+4- After the results, if 8 students passed the exam and, if so, print "Bonus to Instructer!"
\ No newline at end of file
diff --git a/DeitelC/a.exe b/DeitelC/a.exe
new file mode 100644
index 0000000..8b7a33f
Binary files /dev/null and b/DeitelC/a.exe differ