diff --git a/.cvsignore b/.cvsignore
new file mode 100644
index 0000000..52e4e61
--- /dev/null
+++ b/.cvsignore
@@ -0,0 +1,2 @@
+*.pyc
+*.pyo
diff --git a/math/.cvsignore b/math/.cvsignore
new file mode 100644
index 0000000..52e4e61
--- /dev/null
+++ b/math/.cvsignore
@@ -0,0 +1,2 @@
+*.pyc
+*.pyo