Videnskabelig lommeregner Casio FX-82DE X

The Casio FX-82DE X is a pocket scientific calculator with a 12-digit display and battery power, designed for everyday use by students and professionals. Its compact housing and clear numeric display support a wide range of mathematical and scientific calculations, offering essential functions for algebra, trigonometry, statistics and basic engineering tasks. The calculator combines a familiar button layout with a multipurpose function set to deliver accurate numeric results in a portable format.

Advantages

The FX-82DE X provides a clear 12-digit LCD for precise numeric entry and result reading, and its battery operation ensures reliable use without dependence on ambient light. The compact dimensions and lightweight construction make it convenient to carry in a bag or pocket. The device includes standard scientific functions such as fractions, powers, roots, trigonometric and inverse trigonometric functions, logarithms and basic statistics, enabling versatile calculation workflows. The tactile keypresses and logically grouped function keys reduce input errors and speed up routine computations.

Suitable for

• High school and university mathematics and science courses
• Exams and classroom practice where permitted
• Engineering and technical homework requiring scientific functions
• Statistical analysis of small data sets
• Everyday calculations and conversions

Key specifications

• Display: 12-digit LCD
• Power source: battery-powered operation
• Form factor: pocket-sized, lightweight housing
• Functions: arithmetic, fractions, powers and roots, trigonometric and inverse trigonometric functions, logarithmic and exponential functions, basic statistical calculations
• Input: tactile keypad with function grouping
• Languages and notation: standard mathematical notation display

How to use

Turn on the calculator using the power key and enter expressions using the keypad; results appear on the 12-digit display. Use dedicated function keys for trigonometry, logarithms, powers and roots; combine parentheses to control operation order. For statistical calculations, select the appropriate mode and enter data points as instructed by the mode display. Replace the battery according to the manufacturer’s guidance when low-power indication appears to maintain consistent performance. Refer to the included user manual for details on mode switching, memory functions and special feature operation.

Recommendations

Store the calculator in a protective case when not in use to avoid mechanical damage. Clean the keypad and display with a soft, dry cloth; avoid moisture and strong solvents. Before exams, verify allowed calculator models and disable any prohibited features according to exam rules.