Online calculators

Select a calculator from the list below:


binomial distribution
Find p value binomial test for a single proportion
Find exact p value sign test
Normal distribution / z distribution
Find an area under the normal distribution
Find p value given z value
Find critical value z* given significance level alpha
Find critical value z* for the confidence interval
t distribution
Find p value given t value
Find critical value t* given significance level alpha
Find critical value t* for the confidence interval
Chi squared distribution
Find p value given Χ2 value
Find critical value Χ2* given significance level alpha
F distribution
Find p value given F value
Find critical value F* given significance level alpha