Used by us engineers, mathematicians, physicists… you know, cool people, until around 1976.
I recently had a great conversation via WhatsApp about Slide Rules with my classmates…
of the civil engineer course of Brazil.
The pocket ruler was used to show that he/she was studying engineering. Just as medical students used a stethoscope on the University tray …~Petronio LV
This is to remember how it works…
History…
Slide Rules was Invented by William Oughtred in 1622.
William Oughtred, as well as others, developed the slide rule in the 17th century based on the emerging work on logarithms by John Napier.
