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+// Scilab code Ex15.7 : Pg:773(2011)

+clc;clear;

+function [bini]= decimal_binary(ni) // Function to convert decimal to binary

+    bini = 0;

+    i = 1;

+    while (ni <> 0)

+      rem = ni-fix(ni./2).*2; 

+      ni = int(ni/2);

+      bini = bini + rem*i;

+      i = i * 10;

+    end

+endfunction   

+

+function [deci]= binary_decimal(ni) // Function to convert binary to decimal

+    deci = 0;

+    i = 0;

+    while (ni <> 0)

+      rem = ni-fix(ni./10).*10; 

+      ni = int(ni/10);

+      deci = deci + rem*2.^i;

+      i = i + 1;

+    end

+endfunction   

+

+num1 = 11101;    // Initialize the first binary number

+num2 = 10111;    // Initialize the second binary number

+

+printf("%6d + %6d = %7d", num1, num2, decimal_binary(binary_decimal(num1)+binary_decimal(num2))); 

+

+// Result

+// 11101 +  10111 =  110100