diff --git a/rtchallenge/src/camera.rs b/rtchallenge/src/camera.rs
index 08141b0..a2c6453 100644
--- a/rtchallenge/src/camera.rs
+++ b/rtchallenge/src/camera.rs
@@ -57,7 +57,7 @@ impl Camera {
     ///
     /// # Examples
     /// ```
-    /// use rtchallenge::{camera::Camera, float::consts::PI, matrices::Matrix4x4};
+    /// use rtchallenge::{camera::Camera, float::consts::PI, matrices::Matrix4x4, EPSILON};
     ///
     /// let hsize = 160;
     /// let vsize = 120;
@@ -69,11 +69,11 @@ impl Camera {
     ///
     /// // Pixel size for a horizontal canvas.
     /// let c = Camera::new(200, 150, PI / 2.);
-    /// assert_eq!(c.pixel_size(), 0.01);
+    /// assert!((c.pixel_size() - 0.010).abs() < EPSILON);
     ///
     /// // Pixel size for a horizontal canvas.
     /// let c = Camera::new(150, 200, PI / 2.);
-    /// assert_eq!(c.pixel_size(), 0.01);
+    /// assert!((c.pixel_size() - 0.010).abs() < EPSILON);
     /// ```
     pub fn new(hsize: usize, vsize: usize, field_of_view: Float) -> Camera {
         let half_view = (field_of_view / 2.).tan();
diff --git a/rtchallenge/src/materials.rs b/rtchallenge/src/materials.rs
index a65e4bc..e25aa31 100644
--- a/rtchallenge/src/materials.rs
+++ b/rtchallenge/src/materials.rs
@@ -84,7 +84,7 @@ impl Default for Material {
 /// let normalv = Tuple::vector(0., 0., -1.);
 /// let light = PointLight::new(Tuple::point(0., 10., -10.), WHITE);
 /// let result = lighting(&m, &light, position, eyev, normalv, in_shadow);
-/// assert_eq!(result, Color::new(1.6363853, 1.6363853, 1.6363853));
+/// assert_eq!(result, Color::new(1.63639, 1.63639, 1.63639));
 ///
 /// // Lighting with the light behind the surface.
 /// let eyev = Tuple::vector(0., 0., -1.);