Mathematics
Found in 198 Collections and/or Records:
De Aleis Theorema, 1680
Thoughts on dice-throwing, written up in Leyden, and contained (once with other things?) under the rubric "Varia Observationes". One of those may have been item C 154, next in the volume.
De Cartesiana Constructione ..., c1680
A note, probably composed at Rotterdam, on the Latin edition of Rene Descartes' Geometria, (1659), published by Schooten.
De Communi sectione superficiorum D.G., 1694
Notes on cylinders and spheres.
De Constructione problematum planorum, c1703
Certain propositions in Euclid.
De curva a Tschurnhausio in exemplum sua methodi adducta, 5 November 1688
An example of quadrature by 'Tschurnhaus', in Gregory's hand.
De Curva tractoria ubi longitudo tangentis datur, c1691
Gregory on the slopes of curves.
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.