The Description of the TAX electronic caclulator CT-555:

1. 12-Digit large screen display 

2.112 steps check & correct function 

3.Solar & Button battery

4.ABS material and Green PCB board.

5.We can produce any color as you like

6.Auto-reply function and 4 memory calculation

7.Middle size is suitable for the office supply or business.

8.The design is portable and practical .