"Pre-Digital Era: The Art of Manual Calculation"
This article discusses the fascination with analog computers, slide rules, and other old tech used for calculations before the digital era. It covers various historical devices such as the Pascalina, Ishango's bone, abacus, and Quipu, as well as lesser-known ones like Consul the Educated Monkey and the French Abaque Compteur Universelle. The author expresses a desire for vintage calculators like the IBM 223-3168 and the Curta, and shares personal anecdotes about engineers carrying slide rules on their belts.