Note 139 — Chapter IV · OUGHTRED’S INFLUENCE UPON MATHEMATICAL PROGRESS AND TEACHING
Reading edition
Gravelaar, “Over den oorsprong van ons maalteeken (×),” Wiskundig Tijdschrift, 6th year. We have not had access to this article.
Reading edition
Gravelaar, “Over den oorsprong van ons maalteeken (×),” Wiskundig Tijdschrift, 6th year. We have not had access to this article.