HP 50g Graphing Calculator - Manual (Page 810)

Page B-12
Alpha-right-shift characters
The following sketch shows the characters associated with the different
calculator keys when the ALPHA ~ is combined with the right-shift key ….
Alpha ~… functions of the calculator’s keyboard
Notice that the ~… combination is used mainly to enter a number of
special characters from into the calculator stack. The CLEAR, OFF, , ,
comma (,), key enters and OFF keys also work as their main function even when
the ~… combination is used. The special characters generated by the