This is a CASIO fx-4850P programmable scientific calculator. It has 28KB of memory, allowing for complex calculations and program execution. The body shows some signs of use, but there are no noticeable scratches or stains, and the operation has been confirmed. The LCD display is clear, and the key operations are also problem-free. A part of the instruction manual is also shown in the image, suggesting a wealth of functions. 【Brand】CASIO 【Model Number】fx-4850P 【Memory】28KB 【Functions】Solve function, menu system diagram display, etc. Thank you.