Total Access Statistics is the Most Powerful Data Analysis Program for Microsoft Access that runs as an add-in for Access and offers a wide range of statistical functions to analyze your data.
Does Total Access Statistics include a function which makes it possible to convert z-scale to percentile?
Yes. Total Access Statistics includes probability features that convert Student's Z Test score to its probability value. It's part of the Probability Calculator in the add-in that also supports t-Value, Chi-Square and F-Value with degrees of freedom. A VBA function is also available to call it from code.