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diff --git a/3808/CH2/EX2.13/Ex2_13.sce b/3808/CH2/EX2.13/Ex2_13.sce
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+++ b/3808/CH2/EX2.13/Ex2_13.sce
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+//Chapter 02:Basic Structures: Sets, Functions, Sequences, Sums and Matrices
+
+clc;
+clear;
+
+j=[]
+s=[]
+i=0
+upj=input("Enter the upper limit for the inner summation:");
+lowj=input("Enter the lower limit for the inner summation:");
+upi=input("Enter the upper limit for the outer summation:");
+lowi=input("Enter the lower limit for the outer summation:");
+for i=lowj:upj+1
+    j=j+1
+end
+for l=lowi:upi+1
+    s=s+(j*l)
+end
+mprintf("%d",s)