diff --git a/Homework2/src/compute_pi.cc b/Homework2/src/compute_pi.cc
index e69de29..9981368 100644
--- a/Homework2/src/compute_pi.cc
+++ b/Homework2/src/compute_pi.cc
@@ -0,0 +1,18 @@
+#include "compute_pi.hh"
+
+double compute_pi::compute(unsigned int N)
+{
+    double S = 0.0;
+
+    if (N != 0)
+    {
+        for (int i = 1; i <= N ; i++)
+        {
+            S += 1.0/pow(double(i),2);
+        }
+    }
+
+    S=sqrt(6.0*S);
+
+    return S;
+}
\ No newline at end of file
diff --git a/Homework2/src/compute_pi.hh b/Homework2/src/compute_pi.hh
index 9585f5b..18bb43d 100644
--- a/Homework2/src/compute_pi.hh
+++ b/Homework2/src/compute_pi.hh
@@ -1,12 +1,13 @@
 #ifndef COMPUTE_PI_HH
 #define COMPUTE_PI_HH
 
 #include "series.hh"
+#include <math.h>
 
 class compute_pi: public Series
 {
 public:
     double compute(unsigned int N);
 };
 
 #endif