tax function calculator
APPEARANCE:
- White/black color options, other custom colors are welcome
- Acrylic decorative plate, brilliant design
- Large LCD display
- Hard PCB board
- Well-spaced keyboard with contoured keys for easy operation
FUNCTIONS:
- Change sign (+/-) key simplifies entry of negative numbers
- 3 keys memory and MU function
- Percent key
- Backspace key to correct the wrong numbers entered
- Tax function
- Automatic power-off function to save power
- Battery and solar powered for operation anywhere
