Casio Standard Scientific Calculators fx-991CW

Non Programmable
Non Graphing
Product type
Non Programmable
Non Graphing
Number of digits
10 + 2 digits
Liquid crystal display
Natural textbook display
Icon menu
Dot matrix display
High Resolution
4-gradation display
Key characteristics
Plastic keys
Key functions
Negative Sign
Power Off
Memory
Variables: 9 (A,B,C.D.E.F.X.Y,M)
Variables List
Answer Memory
Function memory
Memory Protection
Reset Function
Power supply
Solar & Battery
Approximate battery life Main 2 years
Auto Power Off
Size (D × W × H)
162 × 77 × 10.7 mm
Weight
95 g
Accessories
Hard Case
Warranty period
3 years
Indian Product Code
C83
Country Of Origin
Thailand
Display Settings
Display format settings
Number Format: Fix
Number Format: Sci
Number Format: Norm
Engineering Symbol
Engineering Notation
Fraction / Decimal Conversion
Angle Unit (Degree, Radian, Gradian)
Improper/Mixed Fraction
Sexagesimal/Decimal Conversion
Digit Separator
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
π
Calculation with √ and π
Rounding Function
Advanced calculation
Transcendental number: e
Base-n calculation
Logical Operators
Complex number calculation
Matrix calculations
Vector calculations
Ratio calculation
Spreadsheet
Numeric Table
Simultaneous Equation
Polynomial Equation
Inequality Calculations
List based STAT-data editor
1-Variable statistics
2-Variable statistics and regression
Distribution Calculations
Applied calculation
Continuous Calculation
Replay Function
Multi-replay Function
UNDO
SOLVE Function
Functions Features
Basic functions
Basic Mathematical Functions
Independent Key x
Absolute Value Calculation
Square and square root (x2/√)
Power and radical root (xy/x√)
Trigonometric, inverse trigonometric (sin/cos/tan/sin–1/cos–1/tan–1)
Hyperbolic, inverse hyperbolic (sinh/cosh/tanh/sinh–1/cosh–1/tanh–1)
Exponential, logarithmic (log, ln, 10x, ex)
Base specified logarithmic
Coordinate Conversion
Combination / Permutation
Prime Factorization
Random Number Generation
Random Integer Generation
Summation
Differentiation Calculation
Integration calculation
Physics- and chemistry-related functions
Scientific Constants
Metric conversion function
Statistical Functions
Statistical data
List based STAT-data editor
Exam Compatibility
Permitted in exams
GCSE/AS/A Level
Peripheral Devices
Connection to peripheral devices
QR Code
Authenticity Check