DOWNLOAD THE APP
Customer Services
Copyright © 2025 Desertcart Holdings Limited
DOWNLOAD THE APP
📐 Elevate your math game with precision and power — never miss a calculation!
The DUPOTA OA-991EX PLUS scientific calculator combines 552 advanced functions with a crisp 2-line LCD display and dual solar/battery power for reliable, high-speed calculations. Lightweight and durable, it’s designed for middle to high school students and professionals who demand accuracy and efficiency in complex math tasks.
| Brand | DUPOTA |
| Manufacturer | DUPOTA CO.,LTD. |
| Model | OA-991EX PLUS |
| Model Name | OA-991EX PLUS |
| Product Dimensions | 16.51 x 8 x 0.25 cm; 125 g |
| Batteries | 1 LR44 batteries required. (included) |
| Item model number | OA-991EX PLUS |
| Standing screen display size | 2.5 Inches |
| Display Type | LCD |
| Power Source | Solar Powered |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Alkaline |
| Material | Plastic |
| Includes Rechargeable Battery | No |
| Manufacturer | DUPOTA CO.,LTD. |
| Country of Origin | China |
| Item Weight | 125 g |
Trustpilot
1 month ago
3 weeks ago