Tieteislaskin Casio FX-82DE CW 12-numeroinen paristokäyttöinen musta

The Casio FX-82DE CW Pocket scientific calculator offers a compact, battery-powered solution for everyday calculations. With a 12-digit display, this CASIO calculator supports standard scientific functions required in classroom and professional settings. The pocket-size design and black finish make it easy to carry and use for tasks ranging from basic arithmetic to more advanced trigonometric and statistical operations.

Advantages

The calculator provides clear numeric output on a 12-digit display and a layout designed for quick entry of expressions. Its battery operation ensures consistent power without reliance on solar conditions, while the compact casing supports portability and convenient storage in a bag or pocket. The device includes common scientific functions typically needed by students and professionals, delivered in a durable, easy-to-clean housing.

Suitable for

• School mathematics classes (algebra, geometry, trigonometry)
• College courses and exams that permit non-programmable scientific calculators
• Science and engineering homework requiring trigonometric, exponential, and logarithmic functions
• Everyday technical calculations, unit conversions and basic statistics

Key specifications

• Display: 12-digit numeric LCD
• Power supply: battery-operated
• Form factor: pocket / compact size
• Color: black finish
• Function set: standard scientific functions including trigonometry, logarithms and powers
• Input method: tactile keypad with dedicated function keys

How to use

Turn on the calculator using the power key and verify the display is clear before entering expressions. Use the keypad to input numbers and select functions; for trigonometric or logarithmic calculations, choose the appropriate mode or function key first. Ensure parentheses are used where necessary to preserve the intended order of operations. After completing calculations, switch the device off to conserve battery power.

Recommendations

Store the calculator in a dry, dust-free place and replace the battery as needed to maintain reliable performance. For exam use, confirm the permitted calculator types and disable any disallowed features if applicable. Clean the exterior with a soft, dry cloth and avoid exposing the device to extreme temperatures or moisture.