Statistical software Stats App:
A fully statistical software suitable for statistics students
Software features:
1. Providing all statistical distributions along with there density our distribution function, Moment generating function, mean, variance and ... 
2. Relationships between distributions
3. Calculate the value of the density or probability  function for all distributions in arbitrary ranges or points.
4. Calculate the cumulative probability at any specific point in Normal, t-student, Fisher or Chi-square distribution, and also calculate the Normal distribution quantile in arbitrary points.
5. Provide a fully statistical calculator (calculating mean, variance, sum, sum of squered values and etc.)
6. Provide all derived formulas, integrals and trigonometry formules.