From 20656f0db8cb1d3ad9e443177327410964f15c1d Mon Sep 17 00:00:00 2001
From: John Benediktsson <mrjbq7@gmail.com>
Date: Fri, 6 Jan 2017 18:24:48 -0800
Subject: [PATCH] units.si: extras precision for ``u``.

---
 extra/units/si/si.factor | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extra/units/si/si.factor b/extra/units/si/si.factor
index 66f7c1e7a7..4ed0459f9f 100644
--- a/extra/units/si/si.factor
+++ b/extra/units/si/si.factor
@@ -73,7 +73,7 @@ IN: units.si
 : Np ( n -- neper ) { } { } <dimensioned> ;
 : B ( n -- bel ) 1.151292546497023 * Np ;
 : eV ( n -- electronvolt ) 1.60218e-19 * J ;
-: u ( n -- unified-atomic-mass-unit ) 1.66054e-27 * kg ;
+: u ( n -- unified-atomic-mass-unit ) 1.660539040e-27 * kg ;
 
 ! au has error of 30m, according to wikipedia
 : au ( n -- astronomical-unit ) 149597870691 * m ;