Recall Arithmetic: The haves and have-nots

[Katie Wasserman]

(05-23-2015 10:10 PM)Dave Britten Wrote:  Anything else missing?

The 9815 can do recall register arithmetic but only using register 000. This is pretty weird in that the reference to 000 is implied. So, 5 STO 000, CLEAR, 3 RCL x will result in 15.