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diff --git a/226/CH8/EX8.2/example2_sce.sce b/226/CH8/EX8.2/example2_sce.sce
new file mode 100755
index 000000000..1625a28d3
--- /dev/null
+++ b/226/CH8/EX8.2/example2_sce.sce
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+//chapter 8
+//example 8.2
+//page 313
+printf("\n")
+printf("given")
+P2=25*10^-3;//when frequency increase to 20KHz
+P1=50*10^-3;//when signal frequency is 5KHz
+Po=10*log10(P2/P1);
+printf(" output power change in decibels is %ddB\n",Po)
+\ No newline at end of file