EC-439 Data Organizer
(650-0849)                    Calculator              Faxback Doc. # 17148

You can use the unit to do standard arithmetic calculations, memory
calculations and percent calculations.  It calculates up to 12 digits.

The <CALC> key toggles between the calculator and paperless printer modes.
"CALCULATOR" appears on the top line of display in the calculator mode.

Standard Calculations

For standard calculations (+, -, X, /, \/), press the keys in the order
they appear in the arithmetic operation.

Memory Calculations

The memory calculation feature follows standard memory calculator
operation.

Percent Calculations

Percent calculations can be made as shown in the following examples:

To calculate             You press:          You see:

What is 12 % of 150?     150 X 12%           18.

What is 107% of 50       50 + 7%             53.5

PAPERLESS PRINTER

The Paperless Printer allows continuous calculations with recall of last
32 operations.

Operation

1.  Press <CALC> <CALC> to enter paperless printer mode.

2.  Perform the following sample calculation:

Type             Total

200              0

+300             200

+400             500

-100             900

-200             800

x0.5             600

=                300 (result)

Editing Paperless Printer Calculation

Both entered numbers and operators (+, -, x, /) can be amended.

1.  In normal operation, press <UP ARROW>, <DOWN ARROW>, <UP> and <DOWN>
    to move the screen pointer to the line to be edited.

2.  Edit the item by typing the correct operator and number.

3.  Press <ENTER> to confirm change.

Operations can be inserted

1.  To insert a line, move the pointer to the line beneath the line to be
    inserted and press <INS>.

2.  Type the new operator and number and press <ENTER> to confirm.

METRIC CONVERSION

The unit can convert nine related types of built in measurements:

Inch/Centimeter, Mile/Kilometer, Foot/Meter, US gallon/litre, Imperial
fluid ounce/milli-litre, ounce/gram, pound/kilogram and Fahrenheit/Celsius.

1.  Press <CTRL> <METRIC> to access metric conversion menu screen.

2.  Press a number 1 - 9 to select conversion item and type number.

3.  <LEFT ARROW> or <RIGHT ARROW> to convert from metric to imperial to
    metric.  Result will appear on display.

4.  Press <CTRL> <METRIC> to perform another conversion.

EXPENSE MANAGER AND REPORT SUMMARY

The expense manager can help you organize business and daily expenses and
recall them at any time sorted into different categories in a daily,
weekly or monthly time reference.

Expense Information Input

1.  Press <EXP.M> <1>.

2.  Input date of expense and press <ENTER>.

3.  Press (1-6) to select type of expense.

4.  Input amount of expense.

5.  Press (1-3) to select method of payment.

6.  Press <Y> or <N> to record whether you received a receipt.

7.  Type any information related to this expense you may want to recall in
    the future.

8.  Press <ENTER> to confirm expense entry and return to step 2 above to
    input next expense.

9.  Press any mode key to exit Expense Manager entry mode.

Retrieving Expense Information

1.  Press <EXP.M.> <1>.

2.  Input date of expense and press <UP> and <DOWN> keys to scroll through
    individual entries.

3.  Press (1-6) to select type of expense.

4.  Input amount of expense.

5.  Press (1-3) to select method of payment.

6.  Press <Y> or <N> to record whether you received a receipt.

7.  Type any information related to this expense you may want to recall in
    the future.

8.  Press <ENTER> to confirm expense entry and return to step 2 above to
    input next expense.

9.  Press any mode key to exit Expense Manager entry mode.

Retrieving Expense Information

1.  Press <EXP.M.> <1>.

2.  Input date of expense and press <UP> and <DOWN> keys to scroll through
    individual entries.

3.  "NO ENTRIES" appears on display if no expenses have been input on a
    particular date.

Expense Information Editing

1.  Press <EXP.M.> <1> and input date of expense item to be edited.

2.  Use <UP> and <DOWN> keys to find individual expense entry.

3.  Press <CTRL> <EDIT> to enter edit mode.

4.  Input any changes and press <DOWN ARROW> to advance to next field
    within individual expense record to be edited.

5.  Press <LEFT ARROW> or <RIGHT ARROW> to change the type of expense and
    method of payment.

6.  Input all required changes following above, and press <ENTER> to
    confirm.

Deleting Expense Information

1.  Access desired expense item to be deleted.

2.  Press <DEL>.

3.  Press <Y> to confirm, or <N> to escape.

4.  After pressing <Y>, "DELETED!" appears on the display.

Expense Manager Information Report Summary

The expense report summary can be provided in daily, weekly or monthly
time period.

1.  Press <EXP.M.> <2>.

2.  Input first date (actual) at beginning of report period.

3.  Press 1 (daily), 2 (weekly) or 3 (monthly) to select reporting period.

4.  Report summary will be calculated and shown on display.

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