Kalkulačka kapesní Casio SL-320TER+ Basic modrá

The Casio SL-320TER+ Basic Blue is a compact pocket calculator designed for everyday arithmetic, tax calculations and simple currency conversions. It features a 12-digit single-line display that presents results clearly in a slim, lightweight housing. Dual power from solar cells and a battery ensures continuous operation in varied lighting conditions while keeping power consumption low. The calculator’s straightforward layout places essential keys within easy reach, making basic calculations fast and convenient for students, professionals and general personal use.

Advantages

The compact size and single-line 12-digit display provide clear numeric output without unnecessary complexity. Dual power supply (solar plus battery) increases reliability and extends operational life in different environments. Integrated currency conversion and tax calculation functions reduce the need for manual conversions and speed up financial tasks. Durable construction and a simple key arrangement make the device suitable for frequent portable use.

Suitable for

• Everyday arithmetic and budgeting
• Basic tax calculations for quick estimates
• Simple currency conversions while traveling or trading
• Students needing a portable calculator for classes and homework
• Professionals requiring a reliable pocket calculator for on-the-go calculations

Key specifications

• Display: 12-digit single-line numeric display
• Power: Dual power — solar cell with battery backup
• Functions: Basic arithmetic, tax calculation, currency conversion
• Form factor: Compact pocket-size, lightweight housing
• Controls: Tactile numeric and function keys with straightforward layout

How to use

Turn the calculator on and use the numeric keypad to enter numbers and arithmetic operators for standard calculations. Use the dedicated tax function keys to set the tax rate and to add or subtract tax from entered amounts. For currency conversion, enter the amount and apply the converter function according to the stored rate; update the conversion rate as needed. The dual power system automatically uses solar energy when available and switches to battery power in low light, requiring no special user intervention.

Recommendations

To maintain reliable operation, avoid exposing the device to extreme temperatures or moisture. Keep the solar panel clean and replace the battery according to the manufacturer’s guidance if the display becomes faint. For accurate currency conversions and tax calculations, verify and update stored rates before use.