diff --git a/src/main/java/me/hatter/math/PowPiFrac6.java b/src/main/java/me/hatter/math/PowPiFrac6.java
new file mode 100644
index 0000000..a68ea25
--- /dev/null
+++ b/src/main/java/me/hatter/math/PowPiFrac6.java
@@ -0,0 +1,22 @@
+package me.hatter.math;
+
+import me.hatter.math.util.MathUtil;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+public class PowPiFrac6 {
+
+    public static void main(String[] args) {
+        // 3.1415925580968211573577512694381765696389307918602926657455808746315469549319489862717519447616085936
+        System.out.println(pi());
+    }
+
+    public static BigDecimal pi() {
+        BigDecimal t = BigDecimal.ZERO;
+        for (long i = 1; i < 10000000; i++) {
+            t = t.add(BigDecimal.ONE.divide(BigDecimal.valueOf(i).pow(2), 1000, RoundingMode.HALF_UP));
+        }
+        return MathUtil.sqrt(t.multiply(BigDecimal.valueOf(6)), 100);
+    }
+}