Calculated Industries 4215 - Manual (Page 23)

Memory Operation
Whenever using the Memory Function,
the following keys enable you to add,
subtract, and recall values stored in
memory:
[M+] adds the displayed value to
Memory.
[Conv] [M+] subtracts the displayed val-
ue from Memory.
[Rcl] [M+] recalls and displays the total
value of the Memory.
[Rcl] [Rcl] displays and clears the Memory
as does turning off your calculator.
[Conv] [Rcl] clears the value in Memory
without disturbing the existing display
value. Often used to replace the Memory
value (
[Conv] [Rcl] [M+] ).
The Memory can be used with any for-
mat as long as values have the same
convention.
User’s Guide – 23