用户手册 — NexxTech 6500542

目录

• Contents

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• Features

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• A Look at Your Calculator

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• Operation

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  • Turning On the Calculator

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  • Using the Special Function Keys

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  • Clearing Entries

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  • Rounding

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  • Setting the Number of Decimal Places

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  • Calculation Errors

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    • Estimating Calculation Results

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      • 1. Count the number of digits displayed to the left of the decimal point.

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      • 2. Remove the decimal point.

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      • 3. Add as many zeros to the right of the number as there were digits to the left of the decimal point.

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  • Calculation Examples

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    • Square Root

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    • Percent

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    • Grand Total

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    • Memory Calculations

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    • Mark-Up Calculations

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  • Constants

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• Care

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  • Replacing the Battery

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    • 1. Use a Phillips screwdriver to remove the two screws on the back of the calculator, then pull apart the front and back case halves.

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    • 2. Slide the battery toward the open end of the holder to remove it.

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    • 3. Insert the new battery with the positive (+) side facing up.

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    • 4. Snap the case halves back together.

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    • 5. Reinsert and tighten the screws.

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• Specifications

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  • 12-Digit Dual-Power Metal-Top Desk Calculator

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  • © 2000 ORBYX Electronics. All Rights Reserved.

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