The Citardauq Formula

This is interesting — if ax 2 + bx + c = 0, then It’s called the citardauq formula — citardauq is quadratic spelled backward. It’s explained above by the inimitable James Tanton; here’s a Facebook discussion ; and see the second answer here regarding questions of numerical instability.

Source: The Citardauq Formula

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Never knew it had a “name”; did you?

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