See how ordinary least squares regression fits a line to noisy data. Adjust the relationship and noise level to explore model fit and R².
Explore other mathematics graphs and simulations.
Interactive Gaussian bell curve. Adjust mean and standard deviation to see how the distribution shifts and spreads.
Open tool →GraphInteractive binomial probability bar chart. Adjust n and p to see how the distribution shifts and spreads, with mean and standard deviation shown.
Open tool →GraphApproximate definite integrals with left, right, and midpoint rectangle rules. See how increasing the number of subdivisions improves accuracy.
Open tool →GraphSee how polynomial approximations converge to sin x, cos x, eˣ, or ln(1+x). Adjust the number of terms to watch the series home in on the function.
Open tool →GraphPlot the chi-squared PDF for different degrees of freedom. Shade the critical region — essential for IB Biology and Psychology IA hypothesis testing.
Open tool →GraphInteractively transform A·sin(Bx + C) + D. Adjust amplitude, frequency, phase shift, and vertical translation to see each effect individually.
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