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diff --git a/2063/CH1/EX1.3/1_3.sce b/2063/CH1/EX1.3/1_3.sce
new file mode 100755
index 000000000..a9fd8bbc7
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+++ b/2063/CH1/EX1.3/1_3.sce
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+clc
+clear
+//Input data
+T1=315;//Temperature at the beginning of isentropic compression in K
+T2=600;//Temperature at the end of isentropic compression in K
+r=1.4;//Isentropic constant of air
+
+//Calculations
+r1=(T2/T1)^(1/(r-1));//Compression ratio
+n=(1-(1/r1^(r-1)))*100;//Efficiency of Otto cycle in percent
+
+//Output
+printf('(a)The compression ratio is %3.2f\n (b)Efficiency of the Otto cycle is %3.1f percent',r1,n)