Casio FX 991 CE X

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.

Key Features of the Casio FX 991 CE X Calculator

• 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

The Casio FX 991 CE X Model

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.

The Casio FX 991 CE X has 668 functions

• 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