Mathematics
Found in 198 Collections and/or Records:
Demonstration que la Cycloide est la Courve de la ... descent, 1699
Gregory's copy of de l'Hôpital's analysis of the curve of most rapid descent into a cycloid.
D.G.'s Demonstratio Methodi Slusii de Tang., c1683
Gregory's early attempt to prove Sluse's rule for tangents from Fermat or from Barrow.
DG's letter to Dr Aldrich about the present series ..., 11 October 1694
English note about the editorial presentation of a published series. Henry Aldrich was Gregory's friend and also Dean of Christ Church.
D.T. Nova methodus determinandi Maxima et Minima, c1690
Hand-copy of an article (Act. Eruditorum Lipsiae, Mar. 1683) by Tschirnhaus, on maxima and minima. The hand may not be Gregory's.
Ejusdem Marchionis Inventis solidi cui minime..., after 1699
Notes on de l'Hôpital's analysis of curved solids.
Epist ad D. Hugenium..., 10 September 1693
Draft of a letter to Christiaan Huygens, in which Gregory follows up on his promise in Holland to send along his 'second method' of quadrature in detail.
Epistola de quadraturis Dav: Gre: ad Wallisium missa et vol: alt: impressa, 1 July 1692
Draft of a letter (final version dated 21 July) to John Wallis, who wished to include Gregory's 'second method' of quadrature in the 1693 revision of his 'Algebra'.
Ex Scriptis H. van Heurat, s.d.
A writeup of Heurat's theorems on the quadrature of curves, possibly written out by one 'D Verwer'.
Ex Tschurnhausii Theoremate et Methodo Deducitur Canon meus, 1688
A 11-page tranche of workpapers in which Gregory derives his own conclusions from the work of Tchirnhausen.
Excerpta de Codico M.S. Henratii communicata a [illegible], 27 May 1693
Extract of a volume (only partially cited) found by David Gregory in Amsterdam. He captions this "F: a. Schoten', suggesting that the work transcribed is that of geometer Frans van Schooten (1615-1660). The work concerns curves and quadratures, and is laced with comparisons to the work of Jan Hudde.