Description

Casio FX-991MS – Scientific Calculator
Overview: The Casio FX-991MS is a non-programmable scientific calculator designed for high school and university students. It offers a wide range of functions suitable for mathematics, engineering, and science applications, all in a compact and user-friendly design.

Key Features:

Display: 2-line display with S-V.P.A.M. (Super Visually Perfect Algebraic Method) for textbook-style input and output
Functions: 401 functions including:
Basic arithmetic and algebra
Trigonometric and inverse trigonometric functions
Hyperbolic functions
Exponential and logarithmic calculations
Complex number calculations
Matrix and vector operations
Equation solving
Integration and differentiation
Base-n calculations and conversions
Statistical calculations (standard deviation, regression analysis)
40 scientific constants
Memory: 9 variable memories
Power Supply: Dual power (solar + battery)
Durability: Comes with a slide-on hard case for protection
Build: Plastic keys with a durable, ergonomic layout
Specifications:

Dimensions: 155 × 78 × 13 mm
Weight: 105 g
Display Digits: 10 + 2 digits
Power Saving: Auto power-off feature
Battery Life: Approx. 3 years (on battery)