In 1299 an edict was issued in Florence forbidding bankers to use Arabic numerals, and Roman numerals are still widely used especially for ceremonial purposes.70 Continued use of Newton’s notation by English mathematicians throughout the eighteenth century, and even by many English writers on mechanics today, while the French and German mathematicians usually employed that of Leibnitz, created a barrier between English and Continental mathematics....

-- Bernhard J Stern

https://archive.org/details/technologicaltre1937unitrich/page/48

@mpjgregoire I wouldn't even know what that looks like, though I am famliar with Leibnitz notation.

ẍ is the second derivative of x, normally with respect to t. ẋ is the first derivative.

M. Grégoire@mpjgregoire@mastodon.club@dredmorbius I learnt #physics at university in Canada using Newtonian notation.