cleanups

2 files changed, 11 insertions, 6 deletions

diff --git a/ReckonPrimer.activity/exaddsimp.py b/ReckonPrimer.activity/exaddsimp.py
index 9c8338d..aa1dd42 100755
--- a/ReckonPrimer.activity/exaddsimp.py
+++ b/ReckonPrimer.activity/exaddsimp.py
@@ -449,13 +449,16 @@ class ExAddSimp(Exercise):
             self.toggle_pos3_lower.set_active(False)
 
         if( self.toggle_pos3_lower.get_active() ):
-            self._display._sett['=input'] = list(set(self._display._sett['=input']) | set([3]))
+            self._display._sett['=input'] = list(
+                set(self._display._sett['=input']) | set([3]))
         else:
-            if( self.toggle_equal_fixed_left.get_active() ):
-                if( not self.toggle_pos1_lower.get_active() and not self.toggle_pos5_lower.get_active() ):
+            if(self.toggle_equal_fixed_left.get_active()):
+                if(not self.toggle_pos1_lower.get_active() and
+                    not self.toggle_pos5_lower.get_active()):
                     self.toggle_pos3_lower.set_active(True)
                 else:
-                    self._display._sett['=input'] = list(set(self._display._sett['=input']) - set([3]))
+                    self._display._sett['=input'] = list(
+                        set(self._display._sett['=input']) - set([3]))
 
     def toggle_pos5_lower_callback(self, widget):
         if( self.toggle_equal_fixed_left.get_active() ):
diff --git a/ReckonPrimer.activity/exercise.py b/ReckonPrimer.activity/exercise.py
index c824214..09d83ce 100755
--- a/ReckonPrimer.activity/exercise.py
+++ b/ReckonPrimer.activity/exercise.py
@@ -6,7 +6,7 @@ class Exercise:
     """This is the base class for the individual exercises.
     An exercise is characterized by a topic. A topic determines the 
     fields of the settings self._sett and public methods of Exercise.
-    The values of self._sett may vary from exercise to exercise.
+    The values of self._sett may vary between exercises within 1 topic.
     """
     def __init__(self):
         """ An Exercise stores data on evaluation, i.e date, duration TODO.
@@ -37,7 +37,9 @@ class Exercise:
         self._calcs = self._generate_calcs()
 
     def get_calcs(self):
-        """ Get all calculations generated by the current settings. """
+        """ Newly generate all calculations according to current settings
+        and return all calculations. """
+        self._calcs = self._generate_calcs()
         return self._calcs
 
     def get_next_calc(self):