< Recommend it to the person who wants to calculate the price before accounting. > [function] ･When the unit price, the quantity, and the tax rate are input, it calculates automatically. ･Total is calculated automatically when adding it to the list. ･It corresponds to the discount. [explanation of button] ･[Clear]button ･･･ The value under the calculation is returned to 0. ･[add list]button ･･･ It adds it to the list. ･[delete]button ･･･ Details selected by the list are deleted. When the total is selected and the button is pushed, all contents of the list are deleted. [Remarks] Please advertise this application freely.