Size: 157x85x18mm
10 digit mantissa/unit conversion function/199 functions/functions
Two-line display type that allows you to check and replay calculation formulas
Comes with a slide hard case for easy carrying
[Product Appeal & Recommended Features]
●Equipped with 199 Functions/Features
Covers a wide range from basic to advanced functions, including trigonometric functions, logarithms/exponents, powers/roots, √ (square root), reciprocals, random numbers, factorials, and π. Supports statistical calculations (standard deviation, two-variable statistics, permutations/combinations, etc.), making it powerful for both academic and practical use.
●Clear 2-Line Display
Allows simultaneous display of the formula and the result. Uses a “formula entry mode” that lets you check and edit the entered expression as-is, reducing input errors.
●Energy-Saving with Long Lifespan
Dual power system: solar (solar panel) + button battery (LR44). Battery life is about 3 years (with 1 hour of daily use), making it suitable for long-term use.
●Lightweight & Compact
Dimensions: approx. 161.5 × 77 × 11.1 mm; weight: approx. 95 g. Easy to carry, fits conveniently in a pocket or bag.
●Extensive Memory Functions
Equipped with 9 variable memories (A, B, C, D, E, F, X, Y, M). Memory protection prevents accidental overwriting of important variables.
●Suitable for Civil Engineering & Surveying Exams
Approved for use in the Land and House Investigator Exam, making it useful for practical work and certification preparation.
●Eco-Friendly with Eco Mark Certification
This model has obtained Eco Mark certification number 06135002, ensuring it is an environmentally conscious product.
●Reliable Operation
Plastic keys provide a pleasant touch and user-friendly layout. Multi-replay function allows recalling and editing recent calculations for smooth repeated operations and corrections.
●Hard Case Included for Durability
Comes with a hard case to protect the calculator during transport, reducing the risk of scratches on keys or the display when in a bag or pouch.
[Summary]
The Casio fx-290-N is a well-balanced scientific calculator equipped with 199 functions, a 2-line display, and a long-lasting power source. Its small, lightweight design offers excellent portability, while its practicality extends to mathematics, statistics, physics study, exams, and professional use. Additionally, it is an Eco Mark-certified environmentally friendly model, with thoughtful features such as 9 memory slots, multi-replay function, and a hard case. With its high cost-performance and reliability, it is an ideal choice for first-time scientific calculator users as well as working professionals preparing for exams.