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Aurora EC505 Calculator

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The Aurora EC505 Desktop Calculator Black is a reliable everyday calculator designed for busy desk...

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Product Information

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The Aurora EC505 Desktop Calculator is designed for individuals in home, school, or office environments needing a straightforward and reliable calculator for everyday tasks. Its primary benefit lies in its eco-friendly, solar-powered operation and clear, easy-to-use interface, making calculations efficient. A potential caveat is its basic functionality, which might not suit highly complex financial analysis. Key features include a large 12-digit LCD display, dedicated tax and business function keys, solar power, and a housing made from recycled materials.

All features

Model Part NumberEC505
BrandAurora

Extended Product Information

FAQs

How is the Aurora EC505 powered?

The Aurora EC505 is powered exclusively by solar energy. It does not use batteries.

What does 'Cost, Sell, Margin' mean on the keys?

These keys are designed to simplify retail and business calculations. They allow you to easily compute profit margins, selling prices, or costs based on two of the three values.

Is this calculator suitable for advanced math problems?

No, the EC505 is designed for everyday calculations, basic arithmetic, and common business functions. It does not have advanced scientific or graphing capabilities.

How do I clean the calculator?

You can clean the calculator with a soft, dry or slightly damp cloth. Avoid using harsh chemicals or abrasive materials.

What is the 'Add Mode' function?

Add Mode allows you to add or subtract values to the decimal point without affecting the main calculation, useful for accumulating totals or making sequential adjustments.

Does the calculator have a memory function?

Yes, the EC505 features a 3-key memory function (MR, MC, M+, M-) for storing and recalling numbers.

What is the 'Replay' function?

The Replay function allows you to review the sequence of calculations you have entered, which can be helpful for identifying errors or re-verifying steps.

Is the calculator made from recycled materials?

Yes, the housing of the Aurora EC505 is made from over 50% recycled plastic, and its packaging is made from over 90% recycled paper.

Troubleshooting

Calculator not turning on

Ensure the calculator is placed in a well-lit environment. The solar panel needs sufficient light to power the device. Try pressing any key firmly.

Display is dim or unreadable

Increase the ambient light around the calculator. Check if the solar panel is obstructed or dirty and wipe it clean with a dry cloth.

Incorrect calculations

Double-check that the correct keys are being pressed. Ensure numbers are entered accurately. Clear previous calculations using the 'AC' (All Clear) or 'C' (Clear) button before starting a new sequence.

Buttons are unresponsive

Ensure you are pressing the buttons firmly. If the issue persists, the calculator may have internal damage and may need replacement.

Pros and Cons

Pros

  • Environmentally friendly with solar power and recycled materials.
  • Large, easy-to-read 12-digit display.
  • Includes useful business and tax calculation functions.
  • No batteries required, powered solely by solar energy.
  • Intuitive and comfortable keypad layout.

Cons

  • Limited advanced scientific or financial functions.
  • Fixed angle display might not be ideal in all lighting conditions.
  • Single line display can be limiting for complex, multi-step calculations.
  • Relies on sufficient light for solar power to function optimally.

Setup, Compatibility & Care Instructions

Setup: The Aurora EC505 is ready to use straight out of the box. Simply place it in an area with sufficient light. It automatically turns on when any key is pressed.

Compatibility: This is a standalone desktop calculator and does not require compatibility with other devices or software.

Care:

  • Cleaning: Wipe the calculator with a soft, dry or slightly damp cloth. Avoid using abrasive cleaners or solvents, which can damage the plastic housing or display.
  • Display: Keep the LCD display clean to ensure optimal readability.
  • Power: Ensure the calculator is exposed to adequate light for the solar panel to function. If using in low-light conditions, performance may be affected. Store in a cool, dry place.