Helect Calculator, Standard Function Calculator (Black)
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 fr…
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
说明
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