Casio MS-88ECO desktop calculator

The Casio MS-88ECO is an 8-digit desktop calculator designed for home and office use. It combines standard arithmetic functions with additional features such as currency conversion and square root calculation. The housing is made from recycled plastic and the device uses two-way power, providing a more environmentally conscious option for everyday calculations.

Advantages

This calculator features two-way power (solar and battery) and a recycled-plastic housing to reduce environmental impact. It offers key rollover for reliable input, rapid correction for quick edits, and a dedicated key to change the plus/minus sign. Several built-in functions—percentage, TAX calculation, independent memory and three currency conversion memories—cover common financial and arithmetic tasks.

Suitable for

• Everyday arithmetic at home
• Basic office calculations and bookkeeping
• Simple currency conversion tasks
• Quick percentage and tax computations

Key specifications

• Brand: CASIO
• Model: MS-88ECO
• Display: 8 digits
• Power: Two-way power (solar + battery)
• Housing: Made from recycled plastic
• Functions: Percentage, TAX calculation, square root, independent memory
• Currency conversions: 3 conversion memories
• Other: Key rollover, rapid correction key, plus/minus sign key, 3-digit comma markers

How to use

Place the calculator on a flat surface and ensure it receives adequate light for solar operation; replace the battery when display dimming occurs. Use numeric keys and arithmetic operators for standard calculations. Use the currency conversion memories to store and recall exchange rates for quick conversions. Press the square root key for root calculations, use the TAX key for tax-inclusive or tax-exclusive computations, and the independent memory keys to store interim values. Use the rapid correction key to delete or correct the last entry and the plus/minus key to toggle number sign.

Recommendations

For reliable performance, keep the solar panel clean and avoid prolonged exposure to extreme temperatures. Replace the battery with the correct type when necessary and handle the recycled-plastic housing with normal care to maintain product life.