diff --git a/b.java b/b.java
new file mode 100644
index 0000000..d01a446
--- /dev/null
+++ b/b.java
@@ -0,0 +1,5 @@
+public class b {
+	public static double log(double a, double x) {
+		return Math.log(x) / Math.log(a);
+	   }
+}