diff --git a/Add_Binary.rb b/Add_Binary.rb
new file mode 100644
index 0000000..047174b
--- /dev/null
+++ b/Add_Binary.rb
@@ -0,0 +1,5 @@
+def add_binary(a, b)
+    return (a.to_i(2) + b.to_i(2)).to_s(2)
+end
+
+puts add_binary(11,1)
\ No newline at end of file
diff --git a/sqrt.rb b/sqrt.rb
new file mode 100644
index 0000000..1de85a4
--- /dev/null
+++ b/sqrt.rb
@@ -0,0 +1,3 @@
+def my_sqrt(x)
+    return Math.sqrt(x).to_i
+end
\ No newline at end of file