7. There is a square, such, that when it is increased and diminished by its root and 2, the sum and the difference are squares.—Khulasat-al-Hisab.

Algebra; quoted in Hutton: A Philosophical and Mathematical Dictionary (London, 1815), Vol. 1, p. 70.

[1739]. The solution of such questions as these [referring to the solution of cubic equations] depends on correct judgment, aided by the assistance of God.—Bija Ganita.

Quoted in Hutton: A Philosophical and Mathematical Dictionary (London, 1815), Vol. 1, p. 65.

[1740]. For what is the theory of determinants? It is an algebra upon algebra; a calculus which enables us to combine and foretell the results of algebraical operations, in the same way as algebra itself enables us to dispense with the performance of the special operations of arithmetic. All analysis must ultimately clothe itself under this form.—Sylvester, J. J.

Philosophical Magazine, Vol. 1, (1851), p. 300; Collected Mathematical Papers, Vol. 1, p. 247.

[1741].

Fuchs.

Fast möcht’ ich nun moderne Algebra studieren.

Meph.