[125]Euclidis data, 1657, p. 1; also Euclidis elementorum libris XV, London, 1659, p. 1.

[126]John Kersey, Algebra, London, 1673, p. 321.

[127]E. Wells, Elementa arithmeticae numerosae et speciosae, Oxford, 1698, p. 142.

[128]Cocker’s Decimal Arithmetick, perused by John Hawkins, London, 1695 (preface dated 1684), p. 278.

[129]Th. Baker, The Geometrical Key, London, 1684, p. 15.

[130]Richard Sault, A New Treatise of Algebra, London (no date).

[131]Richard Rawlinson in a pamphlet without date, issued sometime between 1655 and 1668, containing trigonometric formulas. There is a copy in the British Museum.

[132]F. Dulaurens, Specima mathematica, Paris, 1667, p. 1.

[133]J. Milnes, Sectionum conicarum elementa, Oxford, 1702, p. 42.

[134]Cheyne, Philosophical Principles of Natural Religion, London, 1705, p. 55.