









🧮 Master math the classic way — because some skills never go out of style!
The Digital Standard Abacus is a professional 11-column Soroban calculator crafted from durable ABS plastic, measuring a compact 17.8 cm. Designed for fast, precise calculations, it serves as both an educational tool to enhance mathematical skills and a functional calculator favored by professionals. Lightweight and portable, it’s ideal for classrooms, offices, and collectors seeking a blend of tradition and efficiency.




| Brand | Black long Di fang |
| Manufacturer | Black long Di fang |
| Model | 11 |
| Model Name | Digital Standard Abacus Professional 11-Column Soroban |
| Model Year | 2022 |
| Product Dimensions | 1.5 x 5.99 x 17.78 cm; 99.79 g |
| Item model number | 11 |
| Mounting Hardware | NO |
| Number of items | 1 |
| Standing screen display size | 7.01 Inches |
| Display Type | LCD |
| Power Source | Battery Powered |
| Batteries Included | No |
| Batteries Required | No |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Manufacturer | Black long Di fang |
| Country of Origin | USA |
| Item Weight | 99.8 g |
Trustpilot
1 month ago
1 month ago