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The most widely used non-programmable Scientific Calculator from Casio – fx-991ES Plus. This is a perfect companion that will help you make lengthy calculations with great ease. 417 Functions are designed in this. This Scientific Calculator enables you to carry out various mathematical calculations including statistics, logistics, equations, matrix and many more. It has Natural Textbook Display Pattern that enables you to have a better view and understanding of the results of the calculations
Solar powered when light is sufficient, battery powered when light is insufficient.
Display expression same as textbook.
High-resolution screen provides beautiful looking graphs every time.
Designed and engineered for easy operation.
9 Variable memory to power your calculation.
Calculator Menu
Textbook Display
Summation
Differentiation
Equation Solver
Polynomial Solution
Function Table
Complex Number
Matrix Calculation
Statistics
Vector Calculation
Base SystemSpecifications
Two-way power (Solar + Battery)
Solar powered when light is sufficient, battery powered when light is insufficient.
Plastic keys
Designed and engineered for easy operation.
Natural V.P.A.M. display
Display expression same as textbook.
List based STAT-data editor
Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data.
Multi-replay
Quick and easy recall of previously executed formulas for editing and re-execution.
10 + 2 digits
10-digit mantissa + 2-digit exponential display.
Dot matrix display
High-resolution screen provides beautiful looking graphs every time.
Back to Standard Scientific calculators
Features
New functions
New equation mode
Random integers
Standard functions
Fraction calculations
Combination and permutation
Statistics (List-based STAT data editor, standard deviation, regression analysis)
9 variables
Table function
Comes with new slide-on hard case
fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to:
Equation calculations
Integration/differential calculations
Matrix calculations
Vector calculations
Complex number calculations
CALC function
SOLVE function
Base-n calculation
Integration
Complex number calculations
Complex number calculations
Differential
Vector Matrix operations
Matrix operationsFraction calculations
Combination and permutation
Statistics (List-based STAT data editor, standard deviation, regression analysis)
9 variables
Table function
Comes with new slide-on hard case
fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to:
Equation calculations
Integration/differential calculations
Matrix calculations
Vector calculations
Complex number calculations
CALC function
SOLVE function
Base-n calculation
Integration
Integration
Complex number calculations
Complex number calculations
Differential
Vector
Matrix operations
Product Dimension:11.1(H) x 80(W) x 162(D) mm
417 Functions for easy and fast Calculations for all your mathematical and engineering problems
Input and display fractions, powers, logarithms, roots, and other mathematical formulas and symbol just as they appear in textbooks
Switch to Complex Mode and easily do calculations related to complex numbers
Solve up to 3 by 3 matrix and 3-dimensional Vector problems
Solve statistical and regression problem using list-based data.
Single Key to change mode for Complex, Polynomial, Statistics, Matrix, Vector etc calculation.
Some functions are written in Yellow and Red colors. Use Shift key to execute yellow colored functions and Alpha key for red colored functions.
High resolution dot matrix display increases the amount of information that can be displayed and so makes it easier to view numerical formulas and symbols.
This calculator works on battery and solar power both, hence it goes on for long without the need of changing battery.
Casio Calculators comply with ISO 14001, and ROHS policies and abolish usage of harmful substances like lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE) for an effective environmental management system (EMS). Casio pride itself for delivering high quality products and services while being environmentally conscious.
The calculator body is made by recycled plastic support green environment.
Casio Scientific Calculator comes with 3-year of warranty (given by manufacture).
Country of Origin: Thailand
Importer Address: Casio India Co., Private Limited A-41, First Floor, Mohan Cooperative Industrial Estate, Mathura Road, New Delhi - 110044
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Special
Review by Zaroon on 26th June, 2019 | Verified Purchase |
I’ve had the Casio FX-991ES Plus since college and I still use it at work. My favourite feature of this calculator is its natural textbook display. One can barely tell that they are using a calculator and not a notebook to do the solutions, if you go just by the display. In addition it has every other calculator feature, really can’t complain. It's a must buy!
1 of 2 people found the following review helpful.
Question: Is Casioindiashop.com Authorized Seller?
Answer by Support: Yes, Casioindiashop is an authorized online seller for Casio Products in India.
Question: Will I get original manufacturer warranty if I buy from Casioindiashop.com?
Answer by Support: Yes, you will get original warranty as given by Casio India for Casio products in India. You will receive a signed and stamped warranty card and tax paid invoice with every Casio products purchased from Casioindiashop.com
Question: Is EMI Available?
Answer by Support: Yes, you can check the various EMI options while making the payment from the payment gateway itself by selecting EMI as the payment options. Minimum amount is required to avail EMI facility which depends on banks criteria.
Question: What is the Delivery Time ?
Answer by Support: For small products delivery time can range from 2 days to 7 days depending on customers location. Although we try to make sure that products are dispatched within 2 working days. Delivery of large items can take more time due the size and nature of the product.
Question: What are the key features of the product?
Answer by Support: The key features of the Casio Casio FX-991ES Plus Scientific Calculator are listed as follows:
Question: Is Casio FX-991ES Plus Scientific Calculator currently available?
Answer by Support: This product is currently Available at the official website of Casio India - https://www.casioindiashop.com/
Question: Is Any Bank offer available on Casio FX-991ES Plus Scientific Calculator?
Answer by Support: Yes, No Cost EMI Available via PayU T & C
Question: What is the model of Casio FX-991ES Plus Scientific Calculator?
Answer by Support: FX-991ES PLUS
Question: Warranty of Casio FX-991ES Plus Scientific Calculator?
Answer by Support: The warranty of this product is of 3 Years. The buyer will receive a signed and stamped warranty card and tax paid invoice with every Casio products purchased from Casioindiashop.com
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