Product Overview

The Casio FX-991ES PLUS Scientific Calculator is a non-programmable scientific calculator designed for students, teachers, engineers, and professionals who need reliable calculation performance for mathematics, science, statistics, and technical applications. Featuring 417 functions and a Natural Textbook Display, the calculator presents mathematical expressions in an easy-to-understand format similar to textbook notation. Its redesigned ES PLUS series styling combines a modern appearance with the familiar functionality of the FX-991ES PLUS first edition. The 10-digit mantissa and 2-digit exponential display provides clear numerical results, while the colour-coded keypad makes different functions easy to identify. The calculator includes essential trigonometric and statistical functions along with a wide range of additional scientific calculation capabilities. A new slide-on hard case helps protect the calculator during storage and transport, while the manufacturer provides a 3-year warranty for added assurance.

Product Details

Brand: Casio
Product Name: FX-991ES PLUS Scientific Calculator
Product Type: Non-Programmable Scientific Calculator
Functions: 417 Functions
Display: Natural Textbook Display
Mantissa: 10 Digits
Exponential Display: 2 Digits
Keypad: Colour-Coded Keypad
Protection: Slide-On Hard Case
Programmable: No
Warranty: 3 Years Manufacturer Warranty
Suitable For: Students, Teachers, Engineers, Professionals
Seller: Tint & Shade

Key Features

Redesigned ES PLUS series scientific calculator
Natural Textbook Display for easy-to-understand mathematical notation
Non-programmable scientific calculator with 417 functions
10-digit mantissa with 2-digit exponential display
Includes basic trigonometric functions
Includes statistical calculation functions
Colour-coded keypad for easy key differentiation
Simple and user-friendly operation
Comes with a slide-on hard protective case
Covered by a 3-year manufacturer warranty

Best For

School mathematics
College mathematics
Engineering studies
Science students
Statistics
Trigonometry
Technical calculations
Classroom learning
Examination preparation
University studies
Engineering calculations
Professional calculations
Everyday scientific calculations