Radio Shack EC-3031 owner manual Memory Calculations

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65-754.fm Page 26 Friday, August 27, 1999 1:17 PM

Memory Calculations

The memory calculation feature lets you easily do multi-step calculations. Use the following keys for memory calcula- tions.

To store a value in memory, first press AC then MC to clear the memory. Then enter the number or calculation and press M+.

To add a value to the current memory value, enter the number or calculation you want to add then press M+. The cal- culator totals the current calculation and adds that value to memory.

To subtract a value from the current memory value, enter the number or cal- culation you want to subtract, then press M. The calculator totals the cur- rent calculation and subtracts that value from memory.

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Contents EC-3031 Features Fm Page 3 Friday, August 27, 1999 117 PM FCC Wants YOU to Know Contents Preparation Choosing a Power SourceInstalling Batteries Fm Page 7 Friday, August 27, 1999 117 PM Fm Page 8 Friday, August 27, 1999 117 PM Using AC Power Fm Page 10 Friday, August 27, 1999 117 PM Fm Page 11 Friday, August 27, 1999 117 PM Installing the Paper Roll Fm Page 13 Friday, August 27, 1999 117 PM Fm Page 14 Friday, August 27, 1999 117 PM Fm Page 15 Friday, August 27, 1999 117 PM Operation Turning the EC-3031 ON/OFFPrinting Printing a Displayed Value Rounding Fm Page 20 Friday, August 27, 1999 117 PM Correcting Entry Errors Correcting Calculation Errors Estimating Calculation ResultsCalculation Examples Basic CalculationsConstant Calculations Fm Page 25 Friday, August 27, 1999 117 PM 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 Fm Page 33 Friday, August 27, 1999 117 PM Resetting Calculator Specifications Fm Page 36 Friday, August 27, 1999 117 PM Fm Page 37 Friday, August 27, 1999 117 PM Fm Page 38 Friday, August 27, 1999 117 PM Limited One-Year Warranty RadioShack Division Tandy Corporation Fort Worth, Texas