CASIO fx-991EX Standard Scientific Calculators

CASIO fx-991EX Standard Scientific Calculators

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Rs.12,500 -24%
Product Code: CASIO fx-991EX Standard Scientific Calculators
Availability: In Stock
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Product Description

Key Features

- Dual Power - High Resolution LCD - Menu Driven User Interface - Stylish Body - Made by Recycled Plasitc

Basic Information 

Product features

Non Programmable

Non Graphing

Number of Functions : 552

Product type

Non Programmable

Non Graphing

Number of digits

10 + 2 digits

Liquid crystal display

3-digit comma markers

Natural textbook display

Icon menu

Dot matrix display

High Resolution

Key characteristics

Plastic keys

Key functions

Negative Sign

Power Off


Variables: 9 (A,B,C.D.E.F.X.Y,M)

Variables List

Independent Memory (M / M+ / M-)

Answer Memory

Memory Protection

Reset Function

Power supply

Solar & Battery

Approximate battery life Main 2 years

Auto Power Off


Hard Case

Warranty period

3 years

Net Quantity

1 piece

Indian Product Code


Display Settings 

Display format settings

Number Format: Fix

Number Format: Sci

Number Format: Norm

Engineering Symbol

Engineering Notation

Toggling Calculation Results

Fraction / Decimal Conversion (SHIFT+=)

Calculation Functions 

Basic calculation

Basic Calculation

Bracket Calculation

Fraction Calculation

Degree, Minute, Secound (Sexagesimal) Calculations

Reciprocal Calculation

Percent Calculation (scientific calculator function)

Ratio calculation

Factorial Function


Irrational number calcuation

Rounding Function

Advanced calculation

Transcendental number: e

Base-n calculation

Logical Operators

Complex number calculation

Matrix calculations

Vector calculations

Differential calculation

Integration calculation

Applied calculation

Multi-statement Command (:)

Continuous Calculation

Replay Function

Multi-replay Function


CALC Function

SOLVE Function

Functions Features 

Basic functions

Basic Mathematical Functions

Number of Functions : 552

Independent Key x

Absolute Value Calculation

Power Function (Square)

Power Function (Cube)

Power Function

Power Function (Square Root)

Trigonometric Function

Inverse Trigonometric Function

Hyperbolic / Inverse Hyperbolic Function

Exponential Calculation

Logarithmic Calculation

Log not base 10

Coordinate Conversion

Combination / Permutation

Prime Factorization

Random Number Generation

Random Integer Generation


Other functions



Inequality Calculations

Physics- and chemistry-related functions

Scientific Constants

Metric conversion function

Statistical Functions 

Statistical data

List based STAT-data editor

Statistical calculation

Statistics Function

Basic Statistics

Intermediate Statistics

Advanced Statistics

Distribution Calculations

Exam Compatibility 

Permitted in exams


Peripheral Devices 

Connection to peripheral devices

QR Code

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