Casio MJ-120D: English Contents

English

Contents

1. Important Precautions ........................................................ 1

2. About Calculation Steps ..................................................... 1

3. Finalizing a Calculation ....................................................... 2

4. Memory Clear Button .......................................................... 2

5. Power Supply ....................................................................... 2

6. Specifications ...................................................................... 2

7. Basic Calculations ............................................................. 36

8. Tax Calculations (MJ-100D, MJ-120D) ............................. 41

9. Reviewing a Calculation ................................................... 45

10. Numeric Display Format ................................................... 66

• Be sure to keep all user documentation handy for future reference.

1. Important Precautions

• Avoid dropping the calculator and otherwise subjecting it to severe

impact.

• Never bend or twist the case.

• Never try to take the calculator apart.

• Wipe the unit with a soft, dry cloth to clean it.

• The contents of these instructions are subject to change without

notice.

• CASIO COMPUTER CO., LTD. assumes no responsibility for any

loss or claims by third parties which may arise from the use of this

product.

2. About Calculation Steps

• The step indicator shows the number of the step currently shown on

the display.

• A finalize key operation and the result it produces is also a step. See

“Finalizing a Calculation” below.

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• Steps continue to be accumulated in Calculation Memory until you

press the

A

key or until 150 steps are accumulated, even if a

finalize key is pressed.

• Review and GO TO can be used to view only the first 150 steps in

Calculation Memory, even if there are more steps.

• Review and GO TO cannot be performed while an error indicator is

displayed.

• Pressing the

A

key clears all steps from Calculation Memory and

restarts the step count from 1.

3. Finalizing a Calculation

Finalizing a calculation means performing a key operation that

produces a calculation result. Pressing any of the following keys

finalizes a calculation:

=

,

&

.

4. Memory Clear Button

• Pressing the Memory Clear button on the back of the calculator

deletes Calculation Memory contents, independent memory

contents, tax rate settings (MJ-100D, MJ-120D), etc. Be sure to keep

separate records of all important settings and numeric data to protect

against accidental loss.

• Press the Memory Clear button to restore normal operation

whenever the calculator does not operate correctly. If pressing the

Memory Clear button does not restore normal operation, contact

your original retailer or nearby dealer.

5. Power Supply

Two-Way Power System provides power even in complete darkness.

• Always have the battery replaced at your nearest dealer.

Auto power off: Approximately 6 minutes after last key operation.

6. Specifications

Power Supply: Two-Way Power System, with solar cell and one LR44

button type battery

Battery Life: Approximately 3 years (1 hour operation per day)

Operating Temperature: 0˚C to 40˚C (32˚F to104˚F)

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