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diff --git a/662/CH9/EX9.12/example9_12.sci b/662/CH9/EX9.12/example9_12.sci
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+                //Programming Example 9.12

+            //passing a variable along with an array to the function

+

+a = 1;            //global variable

+

+function[] = main()

+    b = 2;            //local variable

+    printf("\nFrom main, before calling the function: \n");

+    printf("a = %d        b = %d\n", a, b);

+    for count = 1:3

+        c(count) = 10*(count+1);

+        printf("c[%d] = %d\n", count, c(count));

+    end

+

+    c=modify(b,c);

+    printf("\n From main, after calling the function: \n ");

+    printf("a = %d        b = %d\n", a, b);

+    for count =1:3

+        printf("c[%d] = %d\n", count, c(count));

+    end

+endfunction

+

+function[c] = modify(b,c)        //function definition

+    printf("\n From the function, after modifying the values: \n");

+    a=-999;

+    b=-999;

+    printf("a = %d        b = %d\n", a, b);

+    for count =1:3

+        c(count)=-9;

+        printf("c[%d] = %d\n", count, c(count));

+    end

+    return c;

+endfunction

+

+//calling main()

+funcprot(0);

+main();
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