Our site contains a lot of Statistical Calculators that can greatly help you with all of your academic needs. Our solvers include Probability Calculators, Hypothesis Test solvers, non-parametric tests, etc. If you have any suggestion about solvers that should be included, please do not hesitate to **contact us**.

We have a very complete collection of majority of the most common statistics calculators that you may need for High School and College, including all kinds of z-tests and t-tests, for one two populations, Chi-Square tests (for variance, goodness of fit and independence), and F-tests (different types of ANOVA).

You can can use the search box below to find a specific Stats solver you are looking for, or you can browse below for any solver that catches your eye.

## Negative Predictive Value Calculator

## Positive Predictive Value Calculator

## Test Specificity Calculator

## Test Sensitivity Calculator

## Covariance Calculator

## Deviation Score Calculator

In case you have any suggestion, or if you would like to report a broken solver/calculator, please do not hesitate to **contact us**.