1 files changed, 2 insertions, 0 deletions
diff --git a/eqnparser.py b/eqnparser.py
index 4b6c82e..a0cde8f 100644
--- a/eqnparser.py
+++ b/eqnparser.py
@@ -665,6 +665,8 @@ class EqnParser:
         return ret
 
     def div_operator(self, a, b):
+        if b == 0 or b == 0.0:
+            return _('Undefined')
         if isinstance(a, Rational) or isinstance(b, Rational):
             return a / b
         elif self.ml.is_int(a) and float(self.ml.abs(a)) < 1e12 and \