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Do you want to equip your schoolchild with a calculator that will last through secondary school and university? Put your trust in the Casio calculator. The advantage of this Casio device is its ability to charge through a built-in solar panel. As a back-up power, you can use the LR44 battery. This calculator will last a lifetime. It has many scientific features and the function of generating the QR code on the display. The Casio FX 991 CE X calculator also has a spreadsheet function that allows basic spreadsheet calculations.

- The Casio FX 991 CE X
**has a spreadsheet** - LCD High resolution (192 × 63 pixels) display
- Memory capacity up to 160 statistical data items
- Intuitive display, easy-to-remember icons
- Interactive and easy viewing
- Natural textbook-like display - V.P.A.M
- The results stored in the memory can be as a list
- Online visualisation using QR code

In the Casio ClassWiz line, the calculators have a **new** 192 × 63 pixel **high-resolution LCD display**. This resolution is four times higher than it the well-known FX-ES plus series. The new calcultor also comes with a new hardware with a faster processor and double the amount of memory. This Casio product has a solid cover and features a new QR-Code function and the already-mentioned spreadsheet.

- Dual power supply (solar + LR44)
- 2 years battery life
- Dimensions: 11.1 × 77 × 165.5mm
- Weight: 90g
- Sliding cover
- The internal operating number of digits is 15
- 24 parentheses
- Icon menu
- Spreadsheet
- Solving equations and up to 4-equation systems
- Vector calculations
- Integral calculations
- Differential calculations
- Probability distribution
- Calculations with technical symbols
- Return to the previous calculation step
- Calculations with complex numbers
- N Base Calculation
- Calculations of equations and inequalities
- SUM calculations
- Periodic table
- 47 scientific constants
- 9 memory variables
- Goniometric and inverse goniometric functions
- Hyperbolic and inverse hyperbolic functions
- Calculations of powers and roots
- Logarithmic calculations
- Exponential calculations
- Roots
- Combinatorics and permutations
- Decomposition to prime numbers
- Random number
- Converting polar coordinates to rectangular coordinates and backward
- Fragments (two modes)
- Convert from the sixty-five to the full and back
- Calculations in degrees, grades and radians
- SCI / FIX / ENG
- Statistical calculations
- Statistics of one variable
- Standard deviation
- Statistics of two variables (regression)
- Percent calculations
- Automatic parentheses adding
- Function table

2 000+

customers have purchased
90 %

customers recommend
Calculator type
Scientific

Type of power source
Both solar and battery powered

Batteries
CR44 / LR44 (Button cell)

Equipment
Protective case, Automatic turn-off, QR-code generation

Keyboard type
Platic

Mathematic function number
668 functions

Basic funtions
Root, Percent

Science functions
Trigonometric functions Sin, Cos, Tan, Cotg, Fractions, Logarithmic functions, Complex numbers, Derivatives and integrals, Calculations in DEC, BIN, OCT, HEX, PEN, Calculations with matrices and vectors, Solving linear equation systems, Numeric formulas, Graphic illustration, Statistics of two variables, Physical Constants, Table of function values, Natural-looking calculation display, Unit conversions

Money functions
Total sum

Display
Dot

Screen width - screen spot number
16

Height
16.55 cm

Width
7.7 cm

Depth
1.11 cm

Weight
90 g

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Code: | QS770y7 |

Warranty: | 24 months |

Product Number: | FX 991 CE X |

Links: | Manufacturer's Website: |

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