Get accurate and fast performance with the Deli D991EX Scientific Calculator 🔢.
It comes equipped with 552 mathematical and engineering functions covering all the needs of students, engineers and teachers 👨🏫.
It features a large, clear display screen and a dual power system (solar + battery) for longer lasting time ⚡.
It also features automatic or manual power-off functionality, with a sleek and portable design ✨.
Features and benefits:
- It contains 552 advanced scientific and engineering jobs .
- Dual operation: solar power + battery (LR44).
- A wide, clear screen for comfortable viewing of operations.
- Automatic/manual shut-off to save energy.
- A sliding cover to protect the buttons during transport.
- 3-year manufacturer's warranty.
- Suitable for school, university, and office use.
Technical specifications:
- Brand: Deli.
- Model: D991EX.
- Number of jobs: 552.
- Power source: Solar power + 2 x LR44 batteries.
- Screen type: Widescreen LCD.
- Stop function: Automatic and manual.
- Country of origin: China.
- Warranty: 3 years.
