CASIO fx-991ES PLUS Second Edition Scientific Calculator

417 Function Engineering Calculator

Features natural mathematical display; fractions, square roots, and matrices are arranged like a textbook layout, making them intuitive and easy to read. The cover includes complete functions for trigonometric functions, calculus, simultaneous equations, matrix management, and statistics. Solar power and a battery power supply ensure zero power outage risk during exams.

Main Specifications

Model: FX-991ES PLUS-2 (Second Generation)

Number of Functions: 417 Display Positions: 10 + 2 bits Dimensions: 161.5 × 77 × 11.1 mm

Weight: Approx. 95g Variable Memory: 9

Power Supply: Solar + Battery

Suitable for: High school to university STEM students, and those preparing for engineering exams.

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●Natural display of mathematics

●Random integer

●Score calculation

●Combination and arrangement

●Statistics

● 9 variables

●Form functions

●dot matrix display

● 417 functions

●Natural V.P.A.M. display

●Display like a textbook

● Columnar statistics editor

●Multiple reproduced display

●10 + 2 digits

●New equation mode

●Dual power supply system

●With hard case

●Dimensions: 11.1x77x161.5mm

●Weight: 95g