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With an 8-digit LCD, the Casio HL-820LV handles basic arithmetic via plastic keys. One LR54 battery lasts 6,500 hours under normal use. It operates without external power or solar input.
Key Features
- 6,500 Hour Battery Life: 6,500 hours of continuous operation from one LR54 cell. This lasts years before a battery swap is necessary.
- Large 8-Digit LCD: Clear 8-digit readout with 3-digit comma markers. Comma placement reduces reading errors during fast calculations.
- Independent Memory: Dedicated M+, M-, and MR/MC keys. Users can store and subtract intermediate results during multi-step math.
- Folding Cover: Hard plastic protector pivots 360 degrees. It shields the LCD and keys from road dust and screen scratches.
- Arithmetic Keys: Dedicated square root and percentage calculation buttons. Solves common tax and root problems without manual formulas.
- 12 Months Warranty: One-year manufacturer coverage for internal hardware defects. This protects against unexpected electronic failure.
Frequently Asked Questions
How long does Casio HL-820LV battery last?
One LR54 battery provides 6,500 hours of run-time. This covers several years of daily use in typical office settings.
Is Casio HL-820LV battery replaceable?
The rear panel gives access to the single LR54 coin cell. Swapping the battery takes less than two minutes with a small screwdriver.
