/**
  **************************************************************************
  * @file     readme.txt
  * @version  v2.0.4
  * @date     2022-04-02
  * @brief    readme
  **************************************************************************
  */

  this demo is based on the at-start board, demonstrates the use the maximum,
  minimum, mean, standard deviation, variance and matrix functions to calculate
  statistical values of marks obtained in a class.

