diff --git a/maths/trapezoidal_rule.py b/maths/trapezoidal_rule.py
index 7bf11295e..0cee80ab1 100644
--- a/maths/trapezoidal_rule.py
+++ b/maths/trapezoidal_rule.py
@@ -68,10 +68,10 @@ def f(x):
     :return: The value of f(x)
 
     >>> f(0)
-    0.0
+    0
 
     >>> f(1)
-    1.0
+    1
 
     >>> f(0.5)
     0.25