Description: This aia file work in thunkable and app inventor and we can develope a GST calculator app with this aia file. The app helps for adding and subtracting the GST from an amount of item. The app also provides the option of select and enter the GST in per cent. This app has the GST rates of India also we can create a GST calculator app with this aia file for different countries. The app shows the result in item price, Gst price and add and subtract GST from the amount according to the user functions. This app helps for GST calculation on any product.