Look, we know that the Curta Calculator is old. 1948 old in fact, after it was first conceived by Curt Herzstark while imprisoned in the Buchenwald concentration camp. Still, why not introduce the post HP35 generation to what was widely hailed as the best portable calculator of its time? Besides, with that WWII intrigue and satisfying mechanical grind, what's not to love? See it in action after the break.