color desktop calculator is perfect for students/office use.
- Grey/blue/red/orange color bottom case options, other custom colors are welcome.
- white top case
- Hard PCB board options
- Well-spaced keyboard with contoured keys for easy operation
- Brilliant design
- Change sign (+/-) key simplifies entry of negative numbers
- 8 digit version:square root key for is useful for schoolwork, power off key,4 keys memory function
- 12 digit version:backspace key to correct the wrong numbers entered,3 keys memory and MU function key
- Percent key
- automatic power-off function to save power
- Battery and solar powered for operation anywhere