Original Casio fx-991ES PLUS 2nd Edition Scientific Calculator 417 Functions

5.0 1 Rating 1 Review Rate this product
Casio's Non-programmable scientific calculator fx-991ES PLUS 2nd Edition is a redesigned ES PLUS series calculator featuring easy-to-understand with Natural Textbook Display having 417 Functions.
  • 417 Functions, Natural V.P.A.M. Textbook Display, Multi-Replay Function
  • Fraction, Square Root, Trigonometry, Table, Statistical Calculations,
  • Equation Calculations (CALC, SOLVE), Matrix & Vector Calculations
  • Wear-resistant printing, Drop-resistant body, Slide-On Case
Product Code: fx-991ES-PLUS-2E
Brand: Casio Computer Co. Ltd.
Availability: In Stock
Rs. 6,000 Rs. 6,300
You save Rs. 300 (5% Off)


  • Fraction and Square Root
  • Trigonometry
  • Table
  • Statistical Calculations
  • Equation Calculations (CALC, SOLVE)
  • Complex Number Calculations
  • Matrix Calculations
  • Vector Calculations
  • Differential and Numerical Integration calculations
  • 40 Scientific Constants
  • 40 Metric Conversions
  • Multi-Replay Function
  • Standard <-> Decimal Conversion

Natural Textbook Display

Features Natural Textbook Display format for displaying equations and calculation results just as they appear in textbooks.

Natural V.P.A.M.

Design Simple and easy to use

Optimal education tools realized through a design that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity.

More comfortable in the hand

A rounded design that fits naturally in the hand and a slim body that’s comfortable to hold.

Attachable and detachable in any direction

Hard case that’s attachable and detachable in any direction for greater ease of use.

More legible

The keys have been made rectangular, making them easier to press. They are also easier to read because of larger text.

Easier to use

Highly visible, easy-to-press cursor keys and function keys.

Authentic Quality

Excellent quality and authentication ensure confidence and peace of mind for use in educational settings.

Tough & Sustainable

CASIO has established three criteria to ensure excellent quality in the ES PLUS series:-

1.Wear-resistant printing

2,000-cycle wear testing: Since ES PLUS calculators are products used for many years as learning tools, the keys are made of a material that offers high durability and resistance to print peeling.

2.Drop-resistant body

Drop testing from a height of 75 cm: The high product quality prevents malfunction or breakage when a calculator is dropped.

3.Environmentally friendly

Compliant with RoHS environmental regulations: The materials used in ES PLUS series calculators comply with European RoHS environmental regulations, an international standard.

Comes with Slide-On Case

No Specifications Found

Customer Reviews

100% of reviewers would recommend this product to a friend (1 out of 1)
Write a Review

Rating Breakdown


Rating Factors

Most Helpful Reviews: Showing 1-1 of 1 reviews

Sort Reviews By:

Momina Zulfiqar from Sialkot
Posted on Dec 10 2022
Original Casio Calculator
The quality of calculator is so good?. I''m completely satisfied with my order
I would recommend this to a friend!
0 out of 0 users found this review helpful.
Was this review helpful? Yes / No    Report Abuse