Radio Shack
EC-3031
owner manual
Percentage Calculations
Specs
Install
Correcting Entry Errors
Warranty
Resetting Calculator
Using AC Power
Features
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Percentage Calculations
12% of 1500
What percentage of 880 is 660?
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Contents
EC-3031
Features
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FCC Wants YOU to Know
Contents
Installing Batteries
Choosing a Power Source
Preparation
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Using AC Power
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Installing the Paper Roll
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Operation
Turning the EC-3031 ON/OFF
Printing
Printing a Displayed Value
Rounding
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Correcting Entry Errors
Correcting Calculation Errors
Estimating Calculation Results
Calculation Examples
Basic Calculations
Constant Calculations
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Memory Calculations
To recall the value from memory, press MR
Percentage Calculations
15% add-on to 25% decrease
Markup Calculations
Care
Replacing the INK Roller
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Resetting Calculator
Specifications
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Limited One-Year Warranty
RadioShack Division Tandy Corporation Fort Worth, Texas
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