Added USING: math

diff --git a/contrib/math/utils.factor b/contrib/math/utils.factor
index a7dd7ca33798221615b4180b4d8d049c64abf1fc..a27fc402d3824aabf8c55943ddada3dc35c1391f 100644 (file)
--- a/contrib/math/utils.factor
+++ b/contrib/math/utils.factor
@@ -1,5 +1,5 @@
 IN: math-contrib
-USING: errors kernel sequences ;
+USING: errors kernel sequences math ;
 
 : deg>rad pi * 180 / ; inline
 : rad>deg 180 * pi / ; inline