This is a brand new, unopened, and unused item. It's a compact 12-digit calculator from Casio with a tax calculation function, making it convenient. This model is discontinued, so it will be difficult to obtain in the future. Please refrain from purchasing if you are seeking a perfect item, as it has been stored by a private individual. Please understand that no returns or exchanges are accepted (NC/NR). This calculator features a twin LCD display. By switching between the displays, you can perform two calculations simultaneously or check your calculations. Shipping will be via Yu-Yu Mercari delivery. −Detailed information from the manufacturer's website below− Twin LCD screen (allows calculations on two screens) Tax calculation (tax amount calculation and tax rate change possible) Angled display Product type Mini-just type (combines portability and operability) Number of digits 12 digits (main) + 12 digits (sub) LCD display Calculation status display 3-digit separator display Key features Plastic keys Concave and convex keys Key functions Fast key input (2-key rollover) Ten-billion digit input/ten-billion digit separator Double zero (00) Backspace (►) Sign change (sign switching) Memory Number of memories: 2 + Memo 1 Grand total calculation Power supply T・W・P (solar and battery dual power) Battery: LR44 x 1 Battery life: Approximately 3 years (when used for 1 hour per day) Auto power off Size (depth x width x height) 146 x 111 x 31.5 mm Weight 160 g - Brand: CASIO - Model: MV-220W-N - Function: 12-digit display - Features: Equipped with tax calculation function - Size: Compact design Thank you for viewing.