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- Gerolamo Cardano - Wikipedia (wikipedia.org)
- Girolamo Cardano | Renaissance, Astrology & Algebra - Britannica (britannica.com)
- Gerolamo Cardano โ Timeline of Mathematics - Mathigon (mathigon.org)
- Algebra - Cardano, Cubic, Quartic - Britannica (britannica.com)
- Gerolamo Cardano, The Most Influential Mathematician of The ... (elephantlearning.com)
- The Scandalous History of the Cubic Formula - Quanta Magazine (quantamagazine.org)
- Gunfight at the Cubic Corral | The Renaissance Mathematicus (wordpress.com)