8-digit display solar wallet calculator<br> Big display<br> Independent memory<br> Percent<br> Profit margin<br> Square root key<br> Change sign +/-<br> Constants for +, -, x, /<br> Pink<br>
8-digit display solar wallet calculator<br> Big display<br> Independent memory<br> Percent<br> Profit margin<br> Square root key<br> Change sign +/-<br> Constants for +, -, x, /<br> Pink<br>