Bell Curves - graphing calculator for the normal distribution function!

* Build interactive graphs of the probability density function (PDF) the cumulative distribution function (CDF) for normal distributions* Fit normal and lognormal sample data from CSV files* Visually compare sample distribution with PDF function* Solve PDF/CDF equations graphically * Calculate the sigmas and quantilesBell Curves is an interactive graphing tool and calculator for the bell curve probability density function.