2 files changed, 81 insertions, 0 deletions
diff --git a/3480/CH8/EX8.1/Ex8_1.sce b/3480/CH8/EX8.1/Ex8_1.sce
new file mode 100644
index 000000000..4adc7c1a9
--- /dev/null
+++ b/3480/CH8/EX8.1/Ex8_1.sce
@@ -0,0 +1,28 @@
+//Example 8.1, page 157
+clc
+r=5//in cm
+n=1//in cm
+n1=1.67200//in cm
+for h = 1:3         //the calculations for h=0 is 0, the textbook ans is wrong
+    sin_ph=h/r
+    sin_ph_1=(sin_ph)*(n/n1)
+    ph=asind(sin_ph)
+    ph_1=asind(sin_ph_1)
+    theta=ph_1-ph
+    angle=sin(theta)      // the textbook ans is wrong
+      printf("\n \n")
+    printf("\n For h=%d, sin_ph=%f ",h,sin_ph)
+    printf("\n \n")
+     printf("\n For h=%d, sin_ph1=%f ",h,sin_ph_1)
+         printf("\n \n")
+       printf("\n \n")
+      printf("\n For h=%d, ph=%f ",h,ph)
+         printf("\n \n")
+       printf("\n For h=%d, ph1=%f ",h,ph_1)
+           printf("\n \n")
+        printf("\n For h=%d, theta=%f ",h,theta)
+            printf("\n \n")
+         printf("\n For h=%d, angle=%f ",h,angle)
+         
+end
+
diff --git a/3480/CH8/EX8.2/Ex8_2.sce b/3480/CH8/EX8.2/Ex8_2.sce
new file mode 100644
index 000000000..fc2ff9b22
--- /dev/null
+++ b/3480/CH8/EX8.2/Ex8_2.sce
@@ -0,0 +1,53 @@
+//Example 8.2
+clc
+r1=15//in cm
+r2=-15 //in cm
+d=3//in cm
+n=1//in cm
+n1=1.62500//in cm
+n2=1//in cm
+for h = 2:2:7         //the calculations for h=0 is 0, the textbook ans is wrong
+    sin_ph=h/r1
+    sin_ph1=(sin_ph)*(n/n1)
+    ph= asind(sin_ph)
+    ph_1=asind(sin_ph1)
+    theta=ph_1-ph
+    angle=r1*(sin_ph/sin(theta))
+    s1=sin_ph/sin(theta)
+    s2=d-s1
+    sin_ph2=(1+(s2/r2))*sin(theta)
+    sin_ph3=(sin_ph2)*(n1/n2)
+    ph_2=asind((1+(s2/r2))*sin(theta))
+    ph_3=asind((sin_ph2)*(n1/n2))
+    theta1=ph_3+theta-ph_2
+    angle1=r2*(sin_ph3/sin(theta))
+      printf("\n \n")
+    printf("\n For h=%d, sin_ph=%f ",h,sin_ph)
+    printf("\n \n")
+     printf("\n For h=%d, sin_ph1=%f ",h,sin_ph1)
+         printf("\n \n")
+       printf("\n \n")
+      printf("\n For h=%d, ph=%f ",h,ph)
+         printf("\n \n")
+       printf("\n For h=%d, ph_1=%f ",h,ph_1)
+           printf("\n \n")
+        printf("\n For h=%d, theta=%f ",h,theta)
+            printf("\n \n")
+         printf("\n For h=%d, angle=%f ",h,angle)
+         printf("\n \n")
+         printf("\n For h=%d, s2=%f ",h,s2)
+         printf("\n \n")
+             printf("\n For h=%d, sin_ph2=%f ",h,sin_ph2)
+    printf("\n \n")
+     printf("\n For h=%d, sin_ph3=%f ",h,sin_ph3)
+         printf("\n \n")
+       printf("\n \n")
+      printf("\n For h=%d, ph_2=%f ",h,ph_2)
+         printf("\n \n")
+       printf("\n For h=%d, ph_3=%f ",h,ph_3)
+           printf("\n \n")
+        printf("\n For h=%d, theta1=%f ",h,theta1)
+            printf("\n \n")
+         printf("\n For h=%d, angle1=%f ",h,angle1)
+
+end