history of the 4-level stack

[John R]

(09-10-2014 02:16 PM)walter b Wrote:  Why? If a calc features up to 100 registers (00 ... 99) then "STO 11" doesn't require a trailing ENTER. What did I miss?

I agree, this doesn't make sense -- unless he meant to indicate a SINGLE-digit storage register in a calc with 100 registers. For example, "1 STO" is complete and unambiguous in this case, but "STO 1" requires a trailing ENTER (or a leading 0 before the 1).