# References for Quadratic etc equations

- A R Amir-Moéz, Khayyam, al-Biruni, Gauss, Archimedes, and quartic equations,
*Texas J. Sci.* **46** (3) (1994), 241-257.

- A E Berriman, The Babylonian quadratic equation,
*Math. Gaz.* **40** (1956), 185-192.

- J N Crossley,
*The Emergence of Number* (Singapore, 1987).

- R Franci and T Rigatelli,
*Storia della teoria delle equazioni algebriche* (Milan, 1979).

- R Franci and T Rigatelli, Towards a history of algebra from Leonardo of Pisa to Luca Pacioli,
*Janus* **72** (1985), 17-85.

- S Gandz, Studies in Babylonian mathematics. III. Isoperimetric problems and the origin of the quadratic equations,
*Isis* **32** (1940), 101-115.

- J P Hogendijk, Sharaf al-Din al-Tusi on the number of positive roots of cubic equations,
*Historia Mathematica* **16** (1) (1989), 69-85.

- B Hughes, The earliest correct algebraic solutions of cubic equations,
*Vita mathematica* (Washington, DC, 1996), 107-112.

- C Romo Santos, Cardano's 'Ars magna' and the solutions of cubic and quartic equations (Spanish),
*Rev. Acad. Canaria Cienc.* **7** (1) (1995), 187-201.

- P Schultz,Tartaglia, Archimedes and cubic equations,
*Austral. Math. Soc. Gaz.* **11** (4) (1984), 81-84.

- G S Smirnova, Geometric solution of the cubic equations in Raffaele Bombelli's 'Algebra' (Russian),
*Istor. Metodol. Estestv. Nauk* **36** (1989), 123-129.

- P D Yardley, Graphical solution of the cubic equation developed from the work of Omar Khayyam,
*Bull. Inst. Math. Appl.* **26** (5-6) (1990), 122-125.