Press F3 to toggle between statistical and trigonometry mode. Alternatively bring up the configuration dialog by pushing the KCALC button or by pressing F2 to switch into statistics mode.
Recall the number of data items entered
Display the sum of all data items entered
Display the mean of the data items entered
Display the sum of the square of all data items entered
Display the standard deviation (n)
Display the population standard deviation (n-1)
Display the median
Enter a data item
Clear last data item entered
Clear all data item entered