- Binomial distribution. Probability-density function
Binomial distribution, probability-density function calculation

- Determination of the number of groups in histogram generation
Sturges formula and other methods of determining the number of groups in histogram generation

- Normal distribution
Plots the CDF and PDF graphs for normal distribution with given mean and variance.

Histogram generation according to input data. The number of groups is determined by the Sturgess formula, other formulas or set manually

- Pearson correlation coefficient
The calculation of the correlation coefficient of two random variables

- Probability of given number success events in several Bernoulli trials
Gives probability of k success outcomes in n Bernoulli trials with given success event probability.

- Student t-distribution
Calculates cumulative distribution function value and probability density function value for Student t-distribution. Quantile calculator evaluates Student quantiles for given probability and specified number of degrees of freedom.

- Symbol frequencies table
This online calculator builds symbol frequency table for a given message

- Wordpress plugin
With Planetcalc plugin for Wordpress you can easily insert any planetcalc calculator in your wordpress-based site or blog pages.