diff --git a/Themes/_fallback/Scripts/03 ProductivityHelpers.lua b/Themes/_fallback/Scripts/03 ProductivityHelpers.lua
index 41942df216..800303f672 100644
--- a/Themes/_fallback/Scripts/03 ProductivityHelpers.lua	
+++ b/Themes/_fallback/Scripts/03 ProductivityHelpers.lua	
@@ -241,5 +241,12 @@ function pname(pn)
 	return ToEnumShortString(pn)
 end
 
+function math.round(num, pre)
+	if pre and pre < 0 then pre = 0 end
+	local mult = 10^(pre or 0) 
+	if num >= 0 then return math.floor(num*mult+.5)/mult 
+	else return math.ceil(num*mult-.5)/mult end
+end
+
 --[[ end helper functions ]]
--- this code is in the public domain.
\ No newline at end of file
+-- this code is in the public domain.