The "Variance Calculator" application is a perfect tool for anyone who wants to discover a variation in a data set, whether sample or even population data. In the variance calculator you find a series of statistical tools, which can be used to provide important statistical data related to variation, approximation … In this calculator you can find tools that help with statistical calculation in the areas of mean, mode and median, variation, standard deviation, arithmetic precision, among others... Other advantages of the calculator are the possibility of operating with numbers in scientific notation, the ease of working with decimal numbers with high arithmetic precision and the possibility of working with a more extensive data set with a series of terms and elements. . It is very useful for calculating simple arithmetic averages, as well as calculations of variance associated with a large population data set.