diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f30bb81
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.txt
+*.o
+calc
+calc-cpp
diff --git a/calc b/calc
deleted file mode 100755
index a9deb99..0000000
Binary files a/calc and /dev/null differ
diff --git a/calc-cpp b/calc-cpp
deleted file mode 100755
index 8aa93b9..0000000
Binary files a/calc-cpp and /dev/null differ