Calculate probabilities and critical values for common probability distributions. Work with normal, t, chi-square, binomial, Poisson distributions and more.
Normal, exponential, uniform, Poisson distributions with PDF/CDF
Adjust exam scores using bell curve, fixed points, or target % of A's. Supports CSV uploads from your class gradebook.
Find critical values for confidence intervals and hypothesis tests (coming soon)
Calculate margin of error for surveys and polls (coming soon)
Fit distributions to your data and compare goodness of fit (coming soon)