- Two-way Power: Solar (works only when it is bright) and Battery (one AA battery NOT included). Note: Make sure one AA battery is inserted for continuous and accurate usage
- Large 12-digit display
- Tax and Currency conversion, Function and Command Signs
- On and Off buttons, Profit margin %, +,-, Key Rollover
- Desktop calculator. customer service from Helect
- Two-way Power: Solar (works only when it is bright) and Battery (one AA battery NOT included). Note: Make sure one AA battery is inserted for continuous and accurate usage
- Large 12-digit display
- Tax and Currency conversion, Function and Command Signs
- On and Off buttons, Profit margin %, +,-, Key Rollover
- Desktop calculator. customer service from Helect
