App description Probability of a single event A is the probability of writing a single event as P(A), p(A) or Pr(A) Single event s...

Covariance online calculator The Covariance Calculator is an online probabilistic and statistical data analysis tool that is speci...

Online random number generator There are many different ways to generate random numbers. These methods are called random number ge...

Negative binomial distribution calculator The negative binomial is a discrete probability function, also known as the Pascal or Po...

Poisson Distribution Calculator Definition The Poisson distribution, the discrete probability function, is used to estimate the ex...

In the construction industry, on the longitudinal section of the line, the slope point is taken as the intersection point, and the...

Chi-square test P-value calculator Chi-square test: The required analysis by the researchers is a comparison of the two sets of da...

This page performs calculations on the normal distribution, including standard normal distribution functions and inverse function...

The web page performs the calculation of the Poisson distribution. The Poisson distribution has a parameter λ. Its distribution ra...

This page performs online calculations about the t distribution.    Click in the list on the right to select the content to be cal...