skip to main content
Site Map
Text size
smaller
larger

FX991ES PLUS

Introduction

This top of the range scientific calculator presents 403 mathematical functions on its exceptionally clear and easy-to-read Natural Textbook Display. This ever popular model is now available with Random Integers and an improved equation mode, as well as solar power.

Main Features

General Information*
 Auto Power Off
Dimentions (mm)80(W) x 162(L) x 11(H)
Weight95g
Power SupplyDual Powered / Solar and Battery
DesignSlide On Hard Case
DisplayNatural Textbook Display
Functions and Features*
 Table Functions
Backspace / Delete
Multireplay
24 Parenthese Levels
9 Variable Memories
Reset
Square Root
Degrees / Minutes / Seconds
417 Functions
40 Metric Conversions (20 Conversion Pairs)
Scientific and Statistics*
 Random Numbers
Factorials
Combinations
Permutations
FIX / SCI / NORM
Exponentials
Logarithmic
Degrees
Radians
Gradians
Exponents
Reciprocals
Negative Indicator
Expression Editing
Roots and Powers
Coordinate Conversion
Logarithmic Regression
Power Regression
Quadratic Regression
Inverse Regression
Linear Regression
Calculations on the Basis of n
Combinations (nCr) and Permutations (nPr)
Integration
Differential
Equation Calculation
Hyperbolics
Normal Distribution
Matrices
Equation Solver
Formula Solver
Numeric Differentiation
Numeric Integration
DEC/HEX/BIN/OCT Conversions
Vector Calculations
Complex Number Calculations
Random Integers
Fraction Calculations
List Based Stat Data Editor
Standard Deviation
Paired Variable Statistics Regression Analysis
Logical Operations
40 Scientific Constants
Metric / Imperial Conversions
40 Metric Conversions
Logarithm Log
Matrices
Trigonometric (SIN/COS/TAN)
Exponential Regression
FunctionsTrigonometric Functions
Calc Functions
Solve Functions

Technical Specifications

General Information*
 Auto Power Off
Dimentions (mm)80(W) x 162(L) x 11(H)
Weight95g
Power SupplyDual Powered / Solar and Battery
DesignSlide On Hard Case
DisplayNatural Textbook Display
Functions and Features*
 Table Functions
Backspace / Delete
Multireplay
24 Parenthese Levels
9 Variable Memories
Reset
Square Root
Degrees / Minutes / Seconds
417 Functions
40 Metric Conversions (20 Conversion Pairs)
Scientific and Statistics*
 Random Numbers
Factorials
Combinations
Permutations
FIX / SCI / NORM
Exponentials
Logarithmic
Degrees
Radians
Gradians
Exponents
Reciprocals
Negative Indicator
Expression Editing
Roots and Powers
Coordinate Conversion
Logarithmic Regression
Power Regression
Quadratic Regression
Inverse Regression
Linear Regression
Calculations on the Basis of n
Combinations (nCr) and Permutations (nPr)
Integration
Differential
Equation Calculation
Hyperbolics
Normal Distribution
Matrices
Equation Solver
Formula Solver
Numeric Differentiation
Numeric Integration
DEC/HEX/BIN/OCT Conversions
Vector Calculations
Complex Number Calculations
Random Integers
Fraction Calculations
List Based Stat Data Editor
Standard Deviation
Paired Variable Statistics Regression Analysis
Logical Operations
40 Scientific Constants
Metric / Imperial Conversions
40 Metric Conversions
Logarithm Log
Matrices
Trigonometric (SIN/COS/TAN)
Exponential Regression
FunctionsTrigonometric Functions
Calc Functions
Solve Functions

Top of page

Print this page
Privacy Policy Terms of Use Contact Us Cookies Policy © Casio Electronics Co., Ltd.