diff --git a/modules/calc.py b/modules/calc.py
index c3e9b01..5acb171 100644
--- a/modules/calc.py
+++ b/modules/calc.py
@@ -41,7 +41,9 @@ def c(phenny, input):
     if answer: 
         #answer = ''.join(chr(ord(c)) for c in answer)
         #answer = answer.decode('utf-8')
-        answer = answer.replace('\xc2\xa0', ',')
+        answer = answer.replace('\\x26#215;', '*')
+        answer = answer.replace('\\x3c', '<')
+        answer = answer.replace('\\x3e', '>')
         answer = answer.replace('<sup>', '^(')
         answer = answer.replace('</sup>', ')')
         answer = web.decode(answer)
diff --git a/modules/test/test_calc.py b/modules/test/test_calc.py
index 9f62918..7b61e5f 100644
--- a/modules/test/test_calc.py
+++ b/modules/test/test_calc.py
@@ -18,6 +18,12 @@ class TestCalc(unittest.TestCase):
 
         self.phenny.say.assert_called_once_with('25')
 
+    def test_c_scientific(self):
+        input = Mock(group=lambda x: '2^64')
+        c(self.phenny, input)
+
+        self.phenny.say.assert_called_once_with('1.84467441 * 10^(19)')
+
     def test_py(self):
         input = Mock(group=lambda x: "'test'*3")
         py(self.phenny, input)