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diff --git a/3544/CH2/EX2.36/Ex2_36.sce b/3544/CH2/EX2.36/Ex2_36.sce
new file mode 100644
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+//Rail fence technique
+
+// Move scilab to current file directory
+[u,t,n] = file()
+n = strcat(n)
+file_name = basename(n)+fileext(n)
+file_name = strcat(file_name)
+ind=strindex(n,file_name)
+path = part(n,1:ind-1)
+chdir(path)
+
+exec("Chapter_2.sci",-1)
+
+disp("Original plaintext message:")
+pt = "Come home tomorrow"
+disp(pt)
+
+//function from dependency file
+pt = remove_spaces(pt)
+
+ct = []
+k=1
+
+//Writing diagonally
+for i=1:length(pt)
+    if modulo(i,2)==0 then
+        continue
+    end
+    ct(k,1) = part(pt,i:i)
+    ct(k,2) = part(pt,i+1:i+1)
+    k = k+1
+end
+
+ct = strcat(ct)
+disp("")
+disp("Ciphertext:")
+disp(ct)