diff --git a/src/angle.rs b/src/angle.rs
index 8fde774..6232db4 100644
--- a/src/angle.rs
+++ b/src/angle.rs
@@ -2,8 +2,8 @@ use core::cmp::{Eq, Ord};
 
 use funs::triganomic::{cos, sin};
 use mat::{Mat3, Mat4};
-use num::kinds::{Float, Number};
 use num::conv::cast;
+use num::types::{Float, Number};
 use quat::Quat;
 use vec::Vec3;
 
diff --git a/src/color/channel.rs b/src/color/channel.rs
index a7b5ab9..0c96614 100644
--- a/src/color/channel.rs
+++ b/src/color/channel.rs
@@ -1,4 +1,4 @@
-use num::kinds::Number;
+use num::types::Number;
 
 /**
  * A color channel
diff --git a/src/color/color.rs b/src/color/color.rs
index c36db41..372d8ae 100644
--- a/src/color/color.rs
+++ b/src/color/color.rs
@@ -8,7 +8,7 @@ use angle::Degrees;
 use channel::Channel;
 use dim::{Dimensional, ToPtr};
 use funs::common::Sign;
-use num::kinds::{Float, Number};
+use num::types::{Float, Number};
 
 /**
  * A generic color trait.
diff --git a/src/funs/projection.rs b/src/funs/projection.rs
index 84450c2..09223ac 100644
--- a/src/funs/projection.rs
+++ b/src/funs/projection.rs
@@ -1,6 +1,6 @@
 use funs::triganomic::tan;
 use angle::Angle;
-use num::kinds::{Float, Number};
+use num::types::{Float, Number};
 use mat::Mat4;
 
 /**
diff --git a/src/funs/triganomic.rs b/src/funs/triganomic.rs
index c56ddae..af8e920 100644
--- a/src/funs/triganomic.rs
+++ b/src/funs/triganomic.rs
@@ -6,7 +6,7 @@
  */
 use angle::Radians;
 use num::conv::cast;
-use num::kinds::Number;
+use num::types::Number;
 use vec::{Vec3, Vec2, Vec4};
 
 /**
diff --git a/src/lmath.rc b/src/lmath.rc
index da5c4f7..25fbd7c 100644
--- a/src/lmath.rc
+++ b/src/lmath.rc
@@ -66,6 +66,6 @@ pub mod funs {
 pub mod num {
     #[path = "num/conv.rs"]
     pub mod conv;
-    #[path = "num/kinds.rs"]
-    pub mod kinds;
+    #[path = "num/types.rs"]
+    pub mod types;
 }
diff --git a/src/mat.rs b/src/mat.rs
index f0d3757..c82dcec 100644
--- a/src/mat.rs
+++ b/src/mat.rs
@@ -12,7 +12,7 @@ use funs::common::*;
 use funs::exponential::*;
 use funs::triganomic::{sin, cos};
 use num::conv::cast;
-use num::kinds::{Float, Number};
+use num::types::{Float, Number};
 use quat::{Quat, ToQuat};
 use vec::{NumericVector, Vec2, Vec3, Vec4};
 
diff --git a/src/num/kinds.rs b/src/num/types.rs
similarity index 100%
rename from src/num/kinds.rs
rename to src/num/types.rs
diff --git a/src/quat.rs b/src/quat.rs
index 0f806a4..842cbe4 100644
--- a/src/quat.rs
+++ b/src/quat.rs
@@ -21,7 +21,8 @@ use funs::common::*;
 use funs::exponential::*;
 use funs::triganomic::*;
 use mat::{Mat3, Mat4};
-use num::kinds::{Float, Number};
+use num::types::{Float, Number};
+use num::conv::cast;
 use vec::Vec3;
 
 
diff --git a/src/vec.rs b/src/vec.rs
index 80ae902..40f2eba 100644
--- a/src/vec.rs
+++ b/src/vec.rs
@@ -8,7 +8,7 @@ use std::cmp::FuzzyEq;
 
 use dim::{Dimensional, ToPtr};
 use funs::exponential::Exp;
-use num::kinds::Number;
+use num::types::Number;
 
 /**
  * The base generic vector trait.