1 files changed, 9 insertions, 8 deletions
diff --git a/1004/CH2/EX2.13/Ch02Ex13.sci b/1004/CH2/EX2.13/Ch02Ex13.sci
index d45809f16..2cc07a951 100755
--- a/1004/CH2/EX2.13/Ch02Ex13.sci
+++ b/1004/CH2/EX2.13/Ch02Ex13.sci
@@ -1,8 +1,9 @@
-// Scilab Code Ex2.13 Energy of a quantum of light: Pg:50 (2008)
-c = 3e+08;    // Speed of light, m/s
-e = 1.6e-019;    // Energy equivalent of 1 eV, joule/eV
-L = 5.3e-07;    // Wavelength of incident light, m
-E = h*c/L;    // Energy of the incident light, J
-printf("\nThe energy of incident light = %4.2f eV", E/e);
-// Result 
-// The energy of incident light = 2.34 eV 
-\ No newline at end of file
+// Scilab Code Ex2.13 Energy of a quantum of light: Pg:50 (2008)
+c = 3e+08;    // Speed of light, m/s
+e = 1.6e-019;    // Energy equivalent of 1 eV, joule/eV
+h= 6.626 * 10^-34;
+L = 5.3e-07;    // Wavelength of incident light, m
+E = h*c/L;    // Energy of the incident light, J
+printf("\nThe energy of incident light = %4.2f eV", E/e);
+// Result 
+// The energy of incident light = 2.34 eV
+\ No newline at end of file