1 files changed, 7 insertions, 7 deletions
diff --git a/635/CH5/EX5.21/Ch05Ex21.sci b/635/CH5/EX5.21/Ch05Ex21.sci
index 5e92b2cb4..6d251c65c 100755
--- a/635/CH5/EX5.21/Ch05Ex21.sci
+++ b/635/CH5/EX5.21/Ch05Ex21.sci
@@ -1,8 +1,8 @@
-// Scilab Code Ex5.21 Determining tilt angle from dislocation spacing in the boundary of Cu: Page-188 (2010)
-a = 3.61e-010;    // Lattice parameter of Cu, m
-b = a/sqrt(2);    // Burger vector magnitude for fcc Cu, m
-h = 1.5e-06;    // The vertical spacing between two neighbouring edge dislocations, m
-tan_theta = atand(b/h)*(%pi/180);    // tangent of tilt angle between two tilt boundaries of Cu, radian
-printf("\nThe tilt angle between two tilt boundaries of Cu = %3.1e radian", theta);
-// Result
+// Scilab Code Ex5.21 Determining tilt angle from dislocation spacing in the boundary of Cu: Page-188 (2010)
+a = 3.61e-010;    // Lattice parameter of Cu, m
+b = a/sqrt(2);    // Burger vector magnitude for fcc Cu, m
+h = 1.5e-06;    // The vertical spacing between two neighbouring edge dislocations, m
+theta = atand(b/h)*(%pi/180);    // tangent of tilt angle between two tilt boundaries of Cu, radian
+printf("\nThe tilt angle between two tilt boundaries of Cu = %3.1e radian", theta);
+// Result
 // The tilt angle between two tilt boundaries of Cu = 1.7e-004 radian
 \ No newline at end of file