diff --git a/chantal-sockets b/chantal-sockets
new file mode 100644
index 0000000..9a66051
--- /dev/null
+++ b/chantal-sockets
@@ -0,0 +1,9 @@
+def binary_to_decimal(binary_array)
+  raise NotImplementedError
+  decimal = 0
+
+  binary_array.reverse.each_with_index do |num, i|
+    decimal += (num * 2 ** i)
+  end
+  return decimal
+end