Mokslinis kalkuliatorius Casio 991ES, 417 funkcijų, dviejų eilučių ekranas

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Prekė: Mokslinis kalkuliatorius Casio 991ES, 417 funkcijų, dviejų eilučių ekranas. Kategorija: Skaičiuotuvai.

• Gamintojas: no brand
• Modelis: 991ES 417 funkcji 2-liniowy
• Spalva: black

Scientific calculator Casio 991ES 417 functions 2-line

Scientific calculator FX-991ES Plus

In a box

Engineering calculator, 416 functions

With pull-out protective case

Powered by CR2025 battery

【Scientific calculator with 417 functions】

This scientific calculator offers 417 functions, covering most of the scientific calculations needed by students, including algebra, equation solving, vectors, matrices, data analysis, etc. The included user manual will help you understand how to use these features.

CTIFREE FC-991ES Plus, second edition, technical scientific calculator, 417 functions, two-line display 10+2 digits, solar powered scientific calculator

【Electronic calculator with dual power supply】

Dual power supply: solar and battery, dual emergency power supply, environmentally friendly and energy efficient.

【Plastic buttons】

Made of high quality plastic buttons, with different shapes in different places, for maximum comfort of use. The letters on the buttons are clear and easy to read.

The display has a natural, textbook format; patterns and calculation results are displayed exactly as in the manual. The highest quality and certificates guarantee reliability and safety in the educational environment.

Functions:

1. Basic calculations

1) Arithmetic operations

2) Calculation of results/percentages/rational numbers, etc.

3) Calculating degrees, minutes and seconds

4) Calculation of variables (using CALC function)

5) Solving equations (using Solver function)

6) Calculation of various functions (trigonometric/reverse trigonometric, hyperbolic/reverse hyperbolic, exponential/logarithmic, power/elemental, integral/differential)

7) Other calculations (strong factors, absolute values, random numbers, permutations and combinations, loop operations)

2. Operations on complex numbers

1) Addition, subtraction, multiplication and division of complex numbers

2) Calculation of auxiliary angles and Models

3) Inverse, square and cube operations on complex numbers

4) Calculation of the combined coupling

3. Statistical calculations

1) One-dimensional statistics

2) Linear regression

3) Square regression

4) Logarithmic regression

5) Exponential regression

6) Exponential regression

4. Number system conversion (base operations)

1) Decimal to decimal system

2) Hexadecimal system

3) Two-way system

4) Octal system

5. Calculation of equations

1) Equation with two unknowns

2) Equation with three unknowns

3) Square equation

4) Cubic equation

6. Calculation of matrix

1) Calculate matrix copying, addition, scalar multiplication, multiplication, square and cube

2) Calculate the determinant, transposition and inverse of the matrix

3) Calculate the module of each matrix element

7. Vector calculations

1) Calculate vector copying, addition, scalar multiplication, and vector product

2) Calculate the vector norm

Specifications