EC-364  (650-0833)          Calculator Mode            Faxback Doc. # 3618

Secret Sender also gives you the capability to perform mathematical
operations.

Entering the Calculator Mode

To enter the Calculator Mode, select the Calculator Mode icon (SYMBOL)
from the main menu, and press EXE.  "O" appears on the display.

    Double entry of an operator (+, -. x. /) makes the numeric value that
    precedes the double entry a constant.

    The following indicators also appear on the display.

    M= with a value:  Indicates that the displayed value is stored in the
                      independent memory.

    K:                Indicates that a constant calculation is being
                      performed.

    E:                Indicates that an error has occurred.

    Press -> to shift the displayed value to the right, deleting the
    rightmost digit.

Corrections

    Clear the last numeric entry by pressing the C/CLR key immediately
    after making the initial entry.

    You can correct the last arithmetic operator entry (+, - x, /) by
    pressing the correct arithmetic operator key immediately after making
    the initial entry.

    Press AC/ON to clear an entire calculation.

    Pressing MC (memory clear) clears memory contents.

About Calculation Capacity

Any of the following conditions will cause the "E" indicator to appear on
the display to indicate that the capacity of the calculator is exceeded.
Note that memory contents are protected, and the total accumulated so far
can be recalled by pressing MR (for the independent memory) after the
error is cleared.

    Whenever the integer part of a result (whether intermediate or final)
    is longer than 10 digits.  In this case, the display shows the 10 most
    significant digits of the result.  The true decimal point of the
    result is 10 places to the right of the decimal position shown in this
    display.

    Whenever the integer part of a total being accumulated in the
    independent memory is longer than 10 digits.

(br/all-12/13/94)

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