Top three calculators ?

[StephenG1CMZ]

(11-19-2018 07:03 AM)Massimo Gnerucci Wrote:  

(11-19-2018 03:21 AM)Valentin Albillo Wrote:  Most unfortunately because, while "Rendezvous with Rama" is truly excellent, the two subsequent sequels are just textbook examples of blatant money milking. IMHO.

Quite true.
And it all began with an asteroid crash on northern Italy!

If you are interested in asteroid crashes AND Italy (NB not asteroid IN Italy) you might be interested in the Planetary Defence Conference 2015
Planetary Defense Conference 2015
The 2015 Conference was held in Italy. I Just watched the VIDEOS (downloadable). Very interesting.
Some simulations need a week on a supercomputer, but some simpler formulae could probably be tackled on a calculator - though I'd need more introductory explanations first.