Casio fx-991EX | Black Scientific Calculator

With a high-resolution LCD screen, the fx-991EX allows for more information to be displayed for applications like spreadsheets and 4x4 matrix calculations.

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:Fast-typing function (2-key rollover),Negative Sign,Power Off
Memory:Variables: 9,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
Accessories:Hard Case

Display format settings:Number Format: Fix,Number Format: Sci,Number Format: Norm,Engineering Symbol,Engineering Notation,Toggling Calculation Results,Fraction / Decimal Conversion (SHIFT＋＝)

Basic calculation:Basic Calculation,Bracket Calculation,Fraction Calculation,Degree, Minute, Second (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,Differential calculation,Integration calculation
Applied calculation:Multi-statement Command (:),Continuous Calculation,Replay Function,Multi-replay Function,UNDO,CALC Function,SOLVE Function

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,Summation
Other functions:Spreadsheet,Equation,Inequality Calculations
Physics- and chemistry-related functions:Scientific Constants,Metric conversion function

Statistical data:List based STAT-data editor
Statistical calculation:Statistics Function,Basic Statistics,Intermediate Statistics,Advanced Statistics,Distribution Calculations

Permitted in exams:GCSE/AS/A Level

Connection to peripheral devices:QR Code