Tartaglia's work (and poetry) on the solution of the Cubic Equation at Convergence
Cubic Equation Solver.
Quadratic, cubic and quartic equations on MacTutor archive.
Cubic Formula on PlanetMath
Cardano solution calculator as java applet at some local site. Only takes natural coefficients.
Graphic explorer for cubic functions With interactive animation, slider controls for coefficients
On Solution of Cubic Equations at Holistic Numerical Methods Institute
Dave Auckly, Solving the cubic with a pencil American Math Monthly 114:1 (2007) 29--39
สิงหาคม 03, 2021
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