Function Calculator, Special Calculator for Civil Engineering Surveying

[Specifications]
- Weight: 250g
- Dot Matrix: 128 x 64 dots
- Backlit LCD: Yes
- Number of keys: 38+3 side keys
- Illuminated keyboard: Yes
- USB port: Yes, Mass Storage
- SD card slot: Yes
- User memory program area: 62,000 bytes
- Storage memory: 1 MBytes
- OS update function: Yes
- CSV import: Yes
- Program conversion: Yes
- Approximate weight (g): 250 (including batteries)
- Water-resistance: IPX4
- Dust-resistance: IP5X
- Operation temperature: 0°C to 40°C (AAA-size alkaline batteries), -5°C to 45°C (nickel-metal hydride batteries)
- Batteries: Four AAA/Alkaline, support Ni-MH rechargeable
- Approximate battery life (hours): 200 (AAA-size alkaline batteries)