A nearly year-old Facebook event for a "simple maths competition" has been one of the most viral posts on the platform for six months.
  • manuc66@programming.devEnglish
    1·
    5 days ago

    Yes I did, on page 243:

    It was employed in the Philosophical Transactions by the Dutch astronomer N. Cruquius; ÷ is found in Hübsch and Crusius. It was used very frequently as the symbol for subtraction and ``minus´´ in the Maandelykse Mathematische Liefbebbery, Purmerende (1754-69)