If you are a student or professional who needs to perform statistical analysis, the Statistics Calculator by Manga77 is the perfect app for you. Available for Android, this free app offers a wide range of functions that cover basic statistics, regression analysis, probability distributions, hypothesis testing, and more.

The Descriptive Statistics function provides measures such as median, quartiles, standard deviation, variance, coefficient of variation, and standard error. The Linear Regression function computes the regression coefficient and equation. The Binomial function calculates mathematical expectation, probability distribution, variance, and deviation. The Poisson function deals with Poisson distribution. The app also supports Frequency Distribution, T test - One Sample, T test - Two Samples, Chi-squared Test, and Normal Distribution.

What sets Statistics Calculator apart is its comprehensive detail of all the formulas used in the calculator. This feature is especially useful for students and professionals who want to understand the underlying concepts and calculations of each function. The app also credits the help of the developers' brothers in design and translation, adding a personal touch to the app.

Overall, the Statistics Calculator is a reliable and convenient tool for statistical analysis that is easy to use and understand.