promotional desktop calculator 837
Wholesales 12 digit desktop 837 calculator custom logo school student office promotional calculator
APPEARANCE:
- Large LCD display
- Hard PCB board
- Well-spaced keyboard with contoured keys for easy operation
FUNCTIONS:
- 3 keys memory function
- MU and GT function
- Percent key
- Backspace key to correct the wrong numbers entered
- Automatic power-off function to save power
- Battery and solar powered for operation anywhere
