CASIO fx-991ES PLUS 2nd edition

Basic Information
Product features
Non Programmable
Non Graphing
Number of Functions : 417
Product type
Non Programmable
Non Graphing
Number of digits
10 + 2 digits
Liquid crystal display
Natural textbook display
Dot matrix display
Key characteristics
Plastic keys
Key functions
Negative Sign
Power Off
Memory
Variables: 9 (A,B,C.D.E.F.X.Y,M)
Independent Memory (M / M+ / M-)
Answer Memory
Memory Protection
Reset Function
Power supply
Solar & Battery
Approximate battery life Main 3 years
Auto Power Off
Size (D × W × H)
161.5 × 77 × 11.1 mm
Weight
95 g
Accessories
Hard Case
Warranty period
3 years
Net Quantity
1 piece
Indian Product Code
C79
Country Of Origin
Thailand
Display Settings
Display format settings
Number Format: Fix
Number Format: Sci
Number Format: Norm
Engineering Notation
Toggling Calculation Results
Calculation Functions
Basic calculation
Basic Calculation
Bracket Calculation
Fraction Calculation
Degree, Minute, Secound (Sexagesimal) Calculations
Reciprocal Calculation
Percent Calculation (scientific calculator function)
Factorial Function
π
Calculation with √ and π
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 : 417
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
Random Number Generation
Random Integer Generation
Summation
Other functions
Equation
Physics- and chemistry-related functions
Scientific Constants
Metric conversion function
Statistical Functions