diff --git a/.gitignore b/.gitignore
index 9532f51..7729c1f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,5 +13,6 @@ show_dir.o
 change_dir.o
 update_check.o
 man.o
+calc.o
 math.o
 your-reality.o
\ No newline at end of file