Mathematics
Found in 215 Collections and/or Records:
De Electionibus in Ludo Alea, 30 Sept. 1694
A game-theory jotting on dicing, after Halley.
De Elevando trinomio ad dignitatem indefinatam, 1686
Gregory on elevating trinomials.
De focis sectionum in Cono investigendis, s.d.
Notes on conic sections.
De gyratione Globorum de collisione mutua Probl: Halleianum 3, c January 1695
Treatment of Sir Edmond Halley's method of finding the rotary motions produced in two spheres by an oblique impact. Appears to have been written in a hand other than David Gregory's, [Halley's?] though the title is clearly in his.
De Inveniendo Numero ... Divisores et residum, s.d.
A note on division, divided between two small sheets (both labelled as such).
De Parabolarum..., s.d.
A short discussion of parabolae.
De problematibus arithmeticis et geometricis in generali consideratis et horum Historia, s.d.
A short treatise on some of the recent evolution in maths.
De ratione studii mathematici consilium, 1693
Draft, not in Gregory's usual hand, of a paper written for the direction of students. Another copy, under this same title, is in Francis Pringle's notebook, Dc.6.12. Two others, under different titles, are in Folio C (see below), as number 112, and in fol. 85 of the Royal Society of London's MS 247.
De Spatio Hyperbolico infinito, s.d.
A note, flanked by two leaves full of calculations that may or may not be related to it, on the division into segments of hyperbolic curves.
De Transmutatione Figurarum, c1688-1707
A treatment by Craig(e) of transmutation of a particular curve into another.
Secondarily, there is a tabulation of the Measures of the Blood Vessells in Dogs by James Kyll MD at Oxford in 1699, and a Dr Robert Areskine's Measures of the Arterys (human? canine?). There is also a 1707 note about how the French form the chamber of their mortars, and a passing mention of a new proposal on quadrature just brought before the Royal Society.