diff --git a/lib/Math.hpp b/lib/Math.hpp
index 7a25ac0..52d150b 100644
--- a/lib/Math.hpp
+++ b/lib/Math.hpp
@@ -93,10 +93,13 @@ DECL_STD_FUNC(fmin)
 // Absolute value
 DECL_STD_FUNC(fabs)
 
-// Add standard math functions to a table for the math compiler
 namespace STDMATH_NAMESPACE
 {
+    // Add standard math functions to a table for the math compiler
     void addStdMathFunc(FunctionTable &fTable);
+    
+    // Constants
+    const double pi = 3.1415926535897932384626433832795028841970;
 }
 
 END_NAMESPACE