Description :

SENSITIVE KEYS - The responsive keys on this calculator will make your calculation process quicker and easier. Keys with a large size prevent you from hitting the wrong one. The keys register quickly and display the corresponding number on the screen once pressed. Button life tested for 500000 times and the printing on the button tested for 300000 times.

DUAL POWER SOURCE -The calculator adopts high-performance solar panels, which can be used for a long time in a well-lit place. In addition, you can also use the battery power source to run the calculator for long-term use (battery included).