Everybody learns the “quadratic formula” for solving equations of the form [itex]A x^2 + B x + C = 0[/itex], even though you don’t really need such a formula, because you can solve for [itex]x[/itex] through the technique of “completing the square”. What you need a formula for is the solution to the cubic equation: […]

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Programming / Windows Development : CodeProject

Gerolamo Cardano published a method to solve a cubic equation in 1545. There is a description of this method on Wikipedia. But it is not too detailed and on the German Wikipedia. In fact, the last part is missing and without this pa...

Technology : Venture Beat

EXCLUSIVE: Bollywood, Hollywood and math. Yes, math, or if you prefer, maths. Helping students with basic arithmetic, as well solving basic quadratic and cubic equations in one variable with movie star flair is the aim of a bot maki...

Programming / Windows Development : CodeProject

Solve quadratic equation for giving A, B, C coefficient

Academics / Mathematics : Scientific American: Roots of Unity

The solution to the cubic equation, in terza rima. -- Read more on ScientificAmerican.com

Technology : Dougal Campbell's Geek Ramblings

A JavaScript library for manipulating and solving algebraic expressions. Handles fractions (including reducing), linear equations, quadratic and cubic equations, solves for one or more variables. Amazing. algebra.js by nicolewhite O...

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