● The surface of the metal is a durable calculator! 

Computer 
Tabletop 
Digits: 12 digits 
Percentage calculations 
Memory calculation 
Constant calculation 
GT calculation 
Route calculation 
Rounding calculations 
Raising calculated rejected 
ADD function 
The operation being performed (+ - × ÷) is displayed on the screen 
Metal surface treatment for superior durability 
Power: 
* Solar / battery combination 
* Battery: CR2025 x 1 
Dimensions (L x W x D): 10.7 x 17.45 x 2.4 cm 
Weight: 190 g