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diff --git a/181/CH2/EX2.22/example2_22.sce b/181/CH2/EX2.22/example2_22.sce
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+// Factor to be multiplied with current
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 2-22 in page 100
+
+clear; clc; close;
+
+// Given data
+V_T=0.0364; // Thermal voltage in V
+// Simplified expression for I has been derived
+I_25=0.01; // Current at 25 degrees in mA
+I_150=2.42; // Current at 150 degrees in mA
+
+// Calculation
+printf("At 150 degrees:\n");
+I=5792*(exp(0.4/0.0728)-1);
+printf("I = %0.0f * Io(25)\n",I);
+printf("At 25 degrees:\n");
+I=exp(0.4/0.0514)-1;
+printf("I = %0.0f * Io(25)\n",I);
+R=I_150/I_25;
+printf("Factor to be multiplied with current = %0.0f",R);
+
+// Result
+// When temp is increased from 25-150 degrees,current has to be multiplied by 242
+\ No newline at end of file
diff --git a/181/CH2/EX2.22/example2_22.txt b/181/CH2/EX2.22/example2_22.txt
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+ At 150 degrees:
+I = 1403698 * Io(25)
+At 25 degrees:
+I = 2396 * Io(25)
+Factor to be multiplied with current = 242 
+\ No newline at end of file