Casio FX-991EX Scientific Calculator

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Brand
casio

Inhouse product


Price
৳2,920.00 ৳3,000.00 /1 -3%
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The Casio fx-991EX is a scientific calculator that is known for its advanced features and functionality. It is the successor of the fx-991ES and it is a high-end calculator that is designed for advanced math and science students, engineers, and professionals.

One of the main features of the fx-991EX is its large display, which allows for easy readability of complex calculations. It also has a natural textbook display, which shows expressions and calculations in a format that closely resembles how they appear in a textbook. This makes it easier to understand the steps involved in a calculation.

The calculator also has a wide range of functions, including basic arithmetic, complex numbers, fractions, and statistics. It also has advanced features such as symbolic calculations, matrix and vector operations, and equation solving. Additionally, it supports 3-dimensional coordinate and polar coordinates, creating a graph and solving equation.

The fx-991EX also has a built-in library of functions and constants, which can be accessed easily during a calculation. It also has a memory function, which allows users to save and recall calculations.

Overall, the Casio fx-991EX is a powerful and versatile calculator that is suitable for advanced students, engineers, and professionals. It offers a wide range of functions and features, and its natural textbook display makes it easy to understand and work with complex calculations.


Technical Specifications:

    Display
    • Display type: 62 * 192 FULL DOT
    • Natural display
    • Algebraic input logic: Natural V.P.A.M.
    • Number of characters/lines: 17/1+10/1
    • Icon menu
    • Significand function: 10+2

    Memory
    • Repeat function
    • Variable memory: 9
    • Number of storable programs: Calc / Solv button

    Basic mathematics
    • Functions: 552
    • Scientific constants: 47
    • Unit conversions: 40
    • Bracket levels: 24
    • Fraction calculations
    • Angle dimensions DEG/RAD/GRAD
    • Conversions between >DEG/>RAD/>GRAD
    • Coordinate transformation Pol ÷ Rec
    • Trigonometric functions sin/cos/tan/sin-1/cos-1/tan-1
    • Hyperbolic functions sinh/cosh/tanh/sinh-1/cosh-1/tanh-1
    • Exponent, log, In, 10x, ex
    • Mathematical functions √, x2, x-1, 1/x, x!, xy, x1/y
    • Calculations based on n (hexadecimal/decimal/binary/octal)
    • Logical operators (AND/OR/etc.)
    • Calculations in the sexagesimal system
    • Percentage calculations
    • Prime factorization
    • Technical notation ENG/ENG
    • Calculation with technical symbols
    • Calculation of complex numbers
    • Random number generator
    • Random integers
    • Base-N calculations
    • Value table
    • Matrix calculation/vector calculation: 4X4
    • REF/RREF function
    • Equation calculation: until 4 degrees
    • Inequality calculation

    Statistics
    • Summation of ∑x, ∑x2
    • Summation of ∑x, ∑y, ∑x2, ∑y2, ∑xy
    • Standard deviations for grouped and ungrouped values
    • Distribution functions (normal distribution and inverse normal distribution, binominal distribution, Poisson distribution)
    • Regression analysis
    • Permutations (nPr) and combinatorics (nCr)

    Differential and integral calculus
    • Numerical integral calculus
    • Numerical differential calculus

    Other
    • Menu language: english
    • QR code function¹
    • Spreadsheet calculations
    • Automatic shut-off
    • Identical emulator software
    • Energy supply: Solar+Battery
    • Battery type: 1 x LR-44
    • Size (H x W x D mm): 11,1 x 77 x 165,5
    • Weight: 90 g