Is RPN still relevant?

[Harald]

(10-07-2015 08:13 PM)John Colvin Wrote:  So I don't see how this method simplifies anything.
" I can't calculate 26+17 in one go either" - Why not?

Because I don't have enough fingers ;-P
No, seriously. I wouldn't know how to do it. Unless you simply know the answer.
I would add 10 and then 7. Wich is similar to what they teach - only straight forward rather then splitting into seemingly random parts before adding.