Vědecká kapesní kalkulačka Casio FX-85DE CW 12místná černá

The Casio FX-85DE CW Pocket 12 Digits Black is a compact scientific calculator designed for everyday mathematical tasks. It features a 12-digit display and combines battery and solar power for reliable operation. The calculator provides a suite of essential scientific functions in a pocket-sized form factor, suitable for classroom exercises, homework and routine technical calculations.

Advantages

The device offers a clear 12-digit LCD that displays long results and supports multi-line playback for checking previous entries. Dual power (battery and solar) extends operational life and reduces the likelihood of unexpected power loss during use. Its compact housing and tactile keys provide practical portability and ease of input in exam or study situations. The calculator runs standard scientific functions with a straightforward interface, minimizing learning time for new users.

Suitable for

• School and university mathematics and science courses
• Homework and exam practice where basic scientific functions are allowed
• Basic engineering and technical calculations
• Field use where compact, battery-plus-solar operation is required

Key specifications

• Display: 12-digit LCD with multi-line playback capability
• Power: Dual power system (battery and solar)
• Functions: Standard scientific functions including trigonometric, logarithmic, exponential and statistical calculations
• Form factor: Pocket-sized, lightweight housing with tactile keypad
• Color: Black exterior finish

How to use

Turn the calculator on using the power key. Enter expressions using the tactile keypad and use function keys for trigonometric, logarithmic, exponential and statistical operations. For multi-step calculations, use the replay or memory features to review and edit previous entries before confirming the final result. The dual power system is managed automatically; ensure the solar panel receives light when available to conserve battery life.

Recommendations

Store the calculator in a dry place and avoid prolonged exposure to direct sunlight or extreme temperatures. Replace the battery when the display dims and keep the solar panel clean for optimal hybrid power performance. For exam use, verify permitted functions with the relevant institution before the test.