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Mathematics

 Subject
Subject Source: Library of Congress Subject Headings

Found in 195 Collections and/or Records:

De problematibus arithmeticis et geometricis in generali consideratis et horum Historia, s.d.

 Item
Identifier: Coll-33/Folio C [91]
Scope and Contents A short treatise on some of the recent evolution in maths.
Dates: s.d.

De ratione studii mathematici consilium, 1693

 Item
Identifier: Coll-33/Quarto A [53]
Scope and Contents 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.
Dates: 1693

De Spatio Hyperbolico infinito, s.d.

 Item
Identifier: Coll-33/Folio C [131]
Scope and Contents 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.
Dates: s.d.

De Transmutatione Figurarum, c1688-1707

 Item
Identifier: Coll-33/Quarto A [96]
Scope and Contents 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.
Dates: c1688-1707

De ... usura, May 1690

 Item
Identifier: Coll-33/Quarto A [82]
Scope and Contents An exercise in interest calculation, with a note that the same results are to be had by logarithm. David Gregory incorrectly labelled this small sheet '81': to go with his index it must be item 82.
Dates: May 1690

Demonstratio 10me Regulae Huddenii, May 1680

 Item
Identifier: Coll-33/Folio C [103]
Scope and Contents A problem from Descartes, worked through by Hudde, whose notes were included in the 1659 edition of the Geometria. This was probably written out in Rotterdam and sent to a friend as a letter.

Juxtaposed to this item, and possibly out of sequence, is the unlabelled and undated "Francisci Renati Slusii Methodus Tangentium', extracted in a hand other than Gregory's, from the January 1673 Transactions.
Dates: May 1680

Demonstratio probl: VII. Lect: Geom D: Barrow pag: 125, c1696

 Item
Identifier: Coll-33/Folio C [204]
Scope and Contents A 29-page tranche of working papers, in which for the most part Gregory appeals to Isaac Barrow as he tries to reconcile his definite with Craige's indefinite integration.
Dates: c1696

Demonstratio regularum Huddonii..., 1708

 Item
Identifier: Coll-33/Quarto A [65]
Scope and Contents Several demonstrations of axioms derived by Hudde, in letter form, addressed to one M. Sauveur.

Also a record of a conversation with M. Fatio, fellow mathematician and confirmed religious fanatic.

Two unrelated pages follow, before item 66: a pair of printed leaves in optics.
Dates: 1708

Demonstration que la Cycloide est la Courve de la ... descent, 1699

 Item
Identifier: Coll-33/Folio C [123]
Scope and Contents Gregory's copy of de l'Hôpital's analysis of the curve of most rapid descent into a cycloid.
Dates: 1699

D.G.'s Demonstratio Methodi Slusii de Tang., c1683

 Item
Identifier: Coll-33/Folio C [143]
Scope and Contents Gregory's early attempt to prove Sluse's rule for tangents from Fermat or from Barrow.
Dates: c1683