diff --git a/plugins/include/core.inc b/plugins/include/core.inc
index 7acfc8dd..4441f49e 100755
--- a/plugins/include/core.inc
+++ b/plugins/include/core.inc
@@ -38,4 +38,9 @@ native sqroot(value);
 native time(&hour=0,&minute=0,&second=0);
 native date(&year=0,&month=0,&day=0);
 
-native tickcount(&granularity=0);
\ No newline at end of file
+native tickcount(&granularity=0);
+
+stock abs(x)
+{
+	return x > 0 ? x : -x;
+}
\ No newline at end of file