diff --git a/log1.txt b/log1.txt
new file mode 100644
index 0000000..44d1608
--- /dev/null
+++ b/log1.txt
@@ -0,0 +1,7 @@
+public class logax {
+	public static void log(int a, int x) {
+	System.out.println("计算logax");
+	System.out.println("log"+a+" "+x+" = "+(Math.log(x)/Math.log(a)));
+	}
+
+}