Fx 991es Plus Manual

Fx 991 Es Plus Manual
Fx 991 Es Calculator
Casio Fx-991es Plus 2nd Edition Manual

The Natural Display (Natural-V.P.A.M.) shows mathematical expressions like roots and fractions as they appear in your textbook, and this increases comprehension because results are easier to understand.

Natural-V.P.A.M.
Dot matrix display
15 and 10+2 digits
417 functions
Equation solver
20 pairs of values for metric conversion
Calculation with complex numbers
Calc key (temporary formula memory)
40 physical constants
Matrix/vector calculation
Numerical integral & differential calculus
Random Integers
New equation Mode
Function table
Two-Way-Power

Redesigned ES PLUS series calculators
featuring easy-to-understand
Natural Textbook Display

Manual Casio FX-991EX. View the Casio FX-991EX manual for free or ask your question to other Casio FX-991EX owners. Casio FX-991ES Casio FX-991ES Plus Casio FX. Manuals; Calculators; fx-991ES PLUS; fx-991ES PLUS. Fx-570991ESPLUS ( 0.45MB) Terms and Conditions. A PDF reader is required to view PDF files. Innovative products bring joy, create new lifestyle and pave the way for related economies - especially, if they have been developed by CASIO. Experience how creativity becomes contribution.

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Presentation

Introduces the excellent features of the ES PLUS series 2nd edition

1 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

Instantaneous key recognition and ease of operation, the result of careful attention to design details

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

2 Quality Authentic quality

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

1Tough & 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.
*Complies with DEHP, BBP, DBP, and DIBP

These three quality features ensure that CASIO ES PLUS series calculators are educational tools that effectively support learning.

2Authenticity Check

Two methods enable authenticity checking before and after purchase.
Furthermore, Premium Content is available to registered users of genuine ES PLUS series calculators.

Web Authenticity Check System

There are two Web Authenticity Check methods. Confirm product authenticity by using a smartphone to scan a QR code attached to the product package or shown on the calculator display.

Before purchase

Check on the calculator packaging

STEP1
A hologram sticker is affixed to the package.
Please confirm the sticker.
The photo shows the fx-991ES PLUS 2nd edition.
Note: The example shown is a simulated QR Code.
STEP2
Read the QR Code section of the hologram sticker affixed to the package with your smartphone.
STEP3
Go to the QR Code link. One of the three pages below will appear.
- Likely to be a genuine product.
- May not be a genuine product.
- Not a genuine product. Please do not purchase.

Note: The Web Authenticity Check estimates the authenticity of the hologram sticker based on QR Code read status trends. This check does not necessarily guarantee the product is genuine.

Hologram sticker

A QR Code and sticker printed with a hologram as shown below are affixed to the product package.

The hologram has an iridescent rainbow color section and a shiny white section, and the CASIO logo is visible.

Note: This differs from the actual colors because color shades vary depending on the direction of the light.
The hologram sticker has the following characteristics that make it difficult to copy.

When the sticker is tilted to the left and right, the color changes.
When the sticker is rotated, the shading is reversed.

Note: A hologram sticker is affixed in limited countries.

Use the above characteristics to authenticate a product.

After purchase

Check on the product display

STEP1
From the mode selection screen, press the 0 key to display a QR code on the calculator display.
The photo shows the fx-991ES PLUS 2nd edition.
Note: The example shown is a simulated QR Code.
STEP2
Scan the QR code with a smartphone to go to the linked webpage.
STEP3
Choose Authenticity Check or User's Guide.
- Authenticity Check
  Go to the QR Code link. One of the two pages below will appear.
  - Likely to be a genuine product.
  - Not a genuine product.
    Please do not purchase.
- User's guide
  Go to the User’s Guide Page on website.

“QR code” is a registered trademark of Denso Wave Incorporated in Japan and other countries

3 Function Natural Textbook Display

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

Fraction and square root
Table
Equation calculations
Matrix calculations
SOLVE calculations
Integration calculations
Scientific constants

Natural Textbook Display models that make it easy to teach and easy to learn!

4 Premium content A variety of original CASIO content is available to make learning mathematics fun.

Users can access this content by registering after the authentication check.

1Math Game

Become familiar with mathematics while playing a fun game.

Available languages:
English, Thai, Indonesian

2Manga

Enjoy an original manga linked to the math game.