you can also do simple sequential operations like this (each one on it's own line):
123
+34
+4
+343
100
-100
in other words if you just do OPERATION VALUE [ENTER]
it uses the last value as the left hand side.
123
+34
+4
+343
100
-100
in other words if you just do OPERATION VALUE [ENTER]
it uses the last value as the left hand side.














