MJ-120GST is worldâ€™s first calculator with 5 dedicated keys for different GST slabs. All the existing 5 GST slab rate of Indian market i.e. 0%, 5%, 12%, 18% and 28% are built in the calculator for easy and fast GST Calculation. Separate keys for GST slabs drastically reduce the number of clicks, hence reducing the time required to do your calculation and make your bills. The tax slabs rates are changeable as per industry needs.Using GST GT key and 5 GST slab keys, slab wise and overall total of Net (Base) Value, Gross Value and GST Component can be computed easily for GST Invoice making.Calculator also has 200 steps check to review your inputs and also F - CUT keys to control calculator digits display after decimal points. Calculator groups number basis on Indian Comma marker to make it easy to read numbers in Lakhs and Crores. An ideal Calculator for every trader and retailer - Casio MJ -120 GST.