Casio FX-991ES Plus 2nd edition Αριθμομηχανή Επιστημονική 12 Ψηφίων σε Μαύρο Χρώμα

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

Fast-typing function (2-key rollover)
Negative Sign
Power Off

Memory

9 Variables memory
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

Display Settings

Display format settings
Number Format: Fix
Number Format: Sci
Number Format: Norm
Engineering Notation ENG/ENG
Toggling Calculation Results

Calculation Functions

Basic calculation
Basic Calculation
Bracket Calculation
Fraction Calculation
Degree, Minute, Second (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
Mathematical functions √, x², x-¹, 1/x, x!, xʸ, x^(1/y)

Number of Functions: 417
Absolute Value Calculation
Power Function (Square)
Power Function (Cube)
Power Function
Power Function (Square Root)
Trigonometric Function sin/cos/tan/sin-1/cos-1/tan-1
Inverse Trigonometric Function
Hyperbolic / Inverse Hyperbolic Function
Exponential Calculation
Logarithmic Calculation
Log not base 10
Conversion of polar coordinates into rectangular coordinates and invers
Permutation (nPr), Combination (nCr)
Random Number Generation
Random Integer Generation
Summation

Other functions

Table function: f(x) & g(x)
Equation

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