World's first GST calculator was launched by which of the following company?

Casio India has announced the launch of the world's first GST calculator with two new innovations MJ-120 GST and MJ-12GST dedicated to the Indian market. It will make manual invoicing easy and hassle-free. The key features of the Casio MJ-12 GST and MJ-120GST calculators are In-built GST tabs:All the five (0%, 5%, 12%, 18% and 28%) GST are in-built in MJ-120GST and MJ-12GST and The tax slabs are changeable as per the industry needs. Gross value (net value + Tax),net value and tax paid under different GST slabs stay stored in the GST+0, GST+1, GST+2, GST+3, GST+4 buttons and the overall value in the five slabs stays stored in the GST GT button. Tax- Mode application: a TAX- feature for all the five tax slabs to calculate the base value from MRP was introduced and will help in its application in calculating base value and net profit earned. Multi-industry use: GST+/tax- key can calculate values in multiple formats.