diff --git a/src/experimental/note.md b/src/experimental/note.md
index d949d99a..5504a5f3 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -12,4 +12,6 @@ New modules/functions
 
 - `angles_between`
 - `spherical_coordinate`
+- `util/every`
 - `util/some`
+
diff --git a/src/util/every.scad b/src/util/every.scad
new file mode 100644
index 00000000..652bc441
--- /dev/null
+++ b/src/util/every.scad
@@ -0,0 +1,5 @@
+function _every(lt, assert_func, leng, i = 0) = 
+    i == leng ? true :
+        assert_func(lt[i]) ? _every(lt, assert_func, leng, i + 1) : false;
+
+function every(lt, assert_func) = _every(lt, assert_func, len(lt));
\ No newline at end of file