Took out extreme suffixes, at Jerry's request

courseware/calc.py

@@ -19,9 +19,10 @@ def evaluator(variables, functions, string):
             "+" : operator.add,
             "-" : operator.sub,
             }
-    suffixes={'%':0.01,'k':1e3,'M':1e6,'G':1e9,'T':1e12,'P':1e15,
-              'E':1e18,'Z':1e21,'Y':1e24,'c':1e-2,'m':1e-3,'u':1e-6,
-              'n':1e-9,'p':1e-12,'f':1e-15,'a':1e-18,'z':1e-21,'y':1e-24}
+    suffixes={'%':0.01,'k':1e3,'M':1e6,'G':1e9,
+              'T':1e12,#'P':1e15,'E':1e18,'Z':1e21,'Y':1e24,
+              'c':1e-2,'m':1e-3,'u':1e-6,
+              'n':1e-9,'p':1e-12,'f'}#:1e-15,'a':1e-18,'z':1e-21,'y':1e-24}
     
     def super_float(text):
         ''' Like float, but with si extensions. 1k goes to 1000'''