Basic statistics calculator with the following functions: Descriptive statistics (median, quartiles, standard deviation, variance, coefficient of variation, standard error) Linear Regression (Regression coefficient, regression equation) Binomial (mathematical expectation, probability distribution, variance and deviation) Poisson Frequency distribution T test - One Sample (H0, H1, Critical Region, Calculation of the test, Completion of the test, p-value) T test - Two Samples Chi-squared test Normal distribution Detail of all the formulas used in the calculator Thanks to my brothers, Dhiego and Leandro, for their help in design and translating