Casio Fx 991 Ce X calculator for sale

Brand new casio fx 991 ce x calculator for sale, purchased in September 2021.
I only used it in a few practical classes at the university and for 1-2 exams, since then it has been in its box.
Also included as a gift is a Space Monkey case and 5 brand new button cells. The calculator came with its own battery, and it has been in it ever since.
Can be picked up in Budapest or in case of advance payment + postage I will post.

Due to its scientific functions, this product is mainly recommended for students in higher education. In the calculator's menu, you can select the language you want to use, and you can even generate QR codes with it. Its unique feature is the spreadsheet calculator, which allows the Casio FX 991 CE X to handle even basic spreadsheet management.

The most important features of the Casio FX 991 CE X:
-Casio FX 991 CE X calculator with spreadsheet
-High-resolution, 192 × 63 pixel LCD display
-Memory capacity for up to 160 statistical data
-Intuitive, easy-to-remember icons -With
interactive screen
-Natural display - Natural VPAM
-You can also display the results stored in the memory in a list
-Online display by QR code

Features of Casio FX 991 CE X 668:

Dual power supply (solar + LR44)
Battery life: 2 years
Dimensions: 11.1 × 77 × 165.5 mm
Weight: 90 g
Slide-on hard cover
for 15 digits
24 levels of brackets system
Icon menu
Table manager
For solving equations (with up to 4 systems of equations)
Matrix (4×4)
Calculations with vectors
For integral calculus For differential calculus
Difference
probability
Calculations with technical symbols
Return to the previous calculation step
Calculations with complex numbers
N-based calculations
Calculation of equations and inequalities
Sum calculations
Periodic table
with 47 scientific constants
9 memory variables
Trigonometric and inverse trigonometric functions
Hyperbolic and inverse hyperbolic functions
Calculation of powers and roots
Logarithmic calculations
Exponential calculations
Roots
Combinatorics and permutations Prime
factorization
Random number
Convert polar coordinates to Cartesian and back
Fractions (two systems)
Convert hexadecimal to decimal and back
Calculations in degrees, radians and degrees
SCI/Fix/ENG functions
Statistical calculations
Univariate statistics
Standard deviation
Statistics with two variables (regression)
Percentage calculation
Parentheses automatic supplement
Function table