Data update

Task/Eulers-constant-0.5772.../Scala/eulers-constant-0.5772....scala

@@ -0,0 +1,16 @@
+/**
+ * Using a simple formula derived from Hurwitz zeta function,
+ * as described on https://en.wikipedia.org/wiki/Euler%27s_constant,
+ * gives a result accurate to 11 decimal places: 0.57721566490...
+ */
+
+object EulerConstant extends App {
+
+  println(gamma(1_000_000))
+
+  private def gamma(N: Int): Double = {
+    val sumOverN = (1 to N).map(1.0 / _).sum
+    sumOverN - Math.log(N) - 1.0 / (2 * N)
+  }
+
+}