Casio FX-991ES Plus Scientific Calculator (417 Functions)

The Casio FX-991ES Plus Scientific Calculator is designed for students, engineers, and professionals who demand precision and versatility in mathematical and scientific computations. With 417 powerful functions, including complex numbers, logarithms, trigonometric, and statistical calculations, it delivers reliable performance for both academic and professional use. The ergonomic keypad and high-contrast display ensure quick input and easy readability during extended study or work sessions.

Dimensions
Length: 161 mm (6.34 in)
Width: 80 mm (3.15 in)
Height: 11.1 mm (0.44 in)
Weight: 95 g (3.35 oz)

Technical Specifications
Type: Scientific Calculator
Display: Two-Line Display (Natural Textbook Format)
Power: Dual Power (Solar + Battery)
Functions: 417 Functions including Scientific, Statistical, Fraction, and Equation Calculations
Memory: Multi-replay and independent memory

Features
Performs complex, algebraic, and trigonometric operations
Natural textbook display for easy reading of expressions and results
Ergonomic key layout for faster input
Durable and portable design for classroom or field use

Package Contents
Casio FX-991ES Plus Scientific Calculator × 1
Slide-on Hard Case × 1
User Manual × 1

Part Number(s)

FX-991ES PLUS