Product Comparison: Casio FX-991EX vs Casio FX-991ES Plus 2

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Casio FX-991EX Scientific Calculator

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Casio FX-991ES Plus 2 Scientific Calculator

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General Specifications

Brand

Casio

Model

FX-991EX

FX-991ES Plus 2

Origin

China

About the Product

The Casio FX-991EX is Casio’s most advanced scientific calculator with 552 mathematical functions. Approved for Key Stages 3, 4 and 5, Recommended for advanced GCSE, a/as level and higher. Allowed in every UK exam where a calculator can be used.

The FX-991ES Plus 2 is an ideal scientific calculator for secondary school and university with natural "natural textbook display" display to display formulas and results just like on textbooks.

Size & Weight

Color

Black

Height

6.52 in.

6.36 in.

Width

3.03 in.

Depth

0.44 in.

Weight

3.17 oz.

3.35 oz.

Display

Display Type

LCD

Monochrome

Display Size

192 x 63 pixels

96 x 31 pixels

Touch Screen

What customers say about "Display"

Casio FX-991EX Scientific Calculator

This calculator has a beautiful screen.
The high resolution screen is fantastic for a scientific calculator.
High-resolution screen, the characters are clear.
Great screen and functionality for the price!
The screen size is perfect.

Casio FX-991ES Plus 2 Scientific Calculator

You can adjust the display and manage the contrast and this makes reading very easy under certain light conditions.
Excellent calculator, great display.
Very welcome the multi line display.
Powerful, fast and versatile. Amazing display.
Very useful, functional and beautiful. Good screen.

Features

Number of Functions

552

417

Pre-Loaded Applications

CALC, SOLVE, Fraction calculations, Complex number, Base-n calculation, Matrix, Vector, Equation, REF/RREF function, Integration/differential, Table function, Statistics, Spreadsheet

Fraction calculations, Statistics, Table function, Equation, Integration/differential, Matrix, Vector, Complex number, CALC, SOLVE, Base-n calculation

Battery Type

LR-44 Battery

PC Connectivity

Extras

Solar, Auto Power Off, Repeat function, 9 Variables memory

Repeat function, 9 Variables memory, Plastic keys, Auto Power Off

What customers say about "Features"

Casio FX-991EX Scientific Calculator

The buttons are light to the touch, easy to read.
It looks great, and feels like it has great build quality.
The build quality. For this price, it is amazingly well built and feels nice to use.
The buttons feel nice and have and give a very responsive feedback.
It has many functions and in general it is an excellent product.

Casio FX-991ES Plus 2 Scientific Calculator

Great smart calculator perfect for my exams.
Good quality and good product.
A really useful scientific calculator.
The calculator has a solid body and good ergonomics.
The calculator has a wide range of functions, perfect for high school science classes, wide memory of physical constants.

Warranty / Certifications

Manufacturer Warranty

1 year(s)

Certifications

CE, FCC

Other Information

Manufacturer

Link

Manual

Link

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