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This free binomial distribution calculator finds the probability of getting exactly k successes in n independent trials, each with success […]

The interquartile range is one of the most useful numbers in statistics, yet it’s often skipped over in favour of

This free histogram maker turns a list of numbers into a clear, downloadable histogram in seconds. Paste or type your

This free logarithmic regression calculator fits the curve y = a + b·ln(x) to your data and instantly returns the

If you want to understand machine learning, you have to make peace with statistics first. This guide to statistics for

Cosine Similarity Calculator cos θ Measure how similar two vectors are by the angle between them — the metric behind

Limit Calculator lim Find the limit of a function as x approaches a value (or infinity), from either side. Function

Normal Distribution Calculator Gaussian Find probabilities and the density for a normal (Gaussian) distribution. x Mean (μ) Std dev (σ)

Poisson Distribution Calculator P(X=k) Compute Poisson probabilities from the rate λ and number of events k. Rate λ (mean) Events

Partial Derivative Calculator ∂/∂x Differentiate a multivariable function with respect to one variable, holding the others constant. Function f(x, y,