diff --git a/src/java/me/topchetoeu/jscript/lib/NumberLib.java b/src/java/me/topchetoeu/jscript/lib/NumberLib.java
index 71e4215..29a22fb 100644
--- a/src/java/me/topchetoeu/jscript/lib/NumberLib.java
+++ b/src/java/me/topchetoeu/jscript/lib/NumberLib.java
@@ -1,5 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
+import java.text.NumberFormat;
+
 import me.topchetoeu.jscript.runtime.values.ObjectValue;
 import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
@@ -85,6 +87,14 @@ public class NumberLib {
     @Expose public static String __toString(Arguments args) {
         return Values.toString(args.ctx, args.self);
     }
+    @Expose public static String __toFixed(Arguments args) {
+        var digits = args.getInt(0, 0);
+
+        var nf = NumberFormat.getNumberInstance();
+        nf.setMaximumFractionDigits(digits);
+
+        return nf.format(args.getDouble(-1));
+    }
     @Expose public static double __valueOf(Arguments args) {
         if (Values.isWrapper(args.self, NumberLib.class)) return Values.wrapper(args.self, NumberLib.class).value;
         else return Values.toNumber(args.ctx, args.self);