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hyrodium: The curvature of curves. x² x³ sin(x) exp(x) Normal distribution (y=exp(-x²/2)) Ellipse r=5/2 cos(3τθ) x=(t-1)(t 1), y=t(t-1)(t 1) Archimedes’ Spiral Logarithmic spiral If you want to try your own curve, try on Desmos graphing calculator!