Traditional German Xmas Puzzle: HP 42S Algorithm Challenge

[Katie Wasserman]

(12-08-2015 04:27 AM)Bill (Smithville NJ) Wrote:  When I read the puzzle, it reminded me of a similar one from the Radio Show Car Talk. Following is link to puzzle:

On the Road

And following is the answer:

On the Road Answer

If you like fairly simple puzzles, Car Talk has had plenty of them over the years. Some are really easy, others take a little more thought. And plenty of them are something that your kids might use to try to stump their parents.

I remember hearing this one and thinking wow, they're using harmonic series on this show! Of course, you could solve this nicely on any HP programmable calculator if you didn't know about Euler's constant.