The decription of the 100 steps check& correct TAX calculator:

1. 12/10 digits large screen display

2.Full calculation and memory function

3.100 steps check & correct function 

4.Auto-reply  function

5.TAX,SET,RECALL function

6.RATE function

7.The power is solar and or battery

8.The clock is black ,but also can make as client's indicative color

9.This calculator is hotsale in Asian market

10.It is suitable for the office,school & business supply.