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+//             Example 9.2 

+//Modify Example 9.1 to include arguments in function calls.

+

+funcprot(0);

+function []=printline(ch)         //function with argument ch

+    for i=1:52

+        printf("%c",ch);

+    end

+    printf("\n");

+endfunction

+function []=value(p,r,n)         //function with argument p,r,n

+    sum1=p;

+    year=1;

+    while(year<=n)

+        sum1=sum1*(1+r);

+        year=year+1;

+     end

+     printf("%f\t%f\t%d\t%f\n",p,r,n,sum1);

+endfunction

+printf("Enter principal amount,interest rate,and period \n[Enter in single line seperated by space]");

+[principal,inrate,period]=scanf("%f %f %d");  //read from standard input 

+//Calling  functions

+printline('z');

+value(principal,inrate,period);

+printline('c');
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