50g

I'm slightly confused by this because on my old calculator if I put in for example: 1, enter, 2, enter, 3 enter, and so on more than 5 times it would roll over to the first level of the stack. So, are you saying that their are virtually unlimited levels? This would be good means I like using local variables for the most part and haven't yet seen a need for the newer style called combined local variables which act just like global variables with the exception, that they automatically purge themselves when the program terminates. Please reaffirm this.