🧮 Calculate like a pro, think like a visionary.
The Digital Standard Abacus is a professional-grade 13-column soroban measuring 20 cm, made from durable ABS plastic. Designed for educators, professionals, and math enthusiasts, it offers a tactile, manual calculation experience that enhances mental arithmetic skills. Lightweight and portable, this abacus bridges ancient counting methods with modern educational needs, making it a must-have for anyone serious about mastering numbers.
| Brand | Black long Di fang |
| Manufacturer | Black long Di fang |
| Model | SH-SP003-A |
| Model Name | 13 |
| Model Year | 2022 |
| Product Dimensions | 20.02 x 5.99 x 1.98 cm; 109 g |
| Item model number | SH-SP003-A |
| Mounting Hardware | NO |
| Number of items | 1 |
| Standing screen display size | 8.19 Inches |
| Display Type | LED |
| Power Source | Manual Winding |
| Batteries Included | No |
| Batteries Required | No |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Manufacturer | Black long Di fang |
| Country of Origin | USA |
| Item Weight | 109 g |
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