Quite intuitively, find the total purchase amount and average unit price of stocks and coins to be purchased.

You can get the current rate of return.

In the case of additional purchases in the future, you can know the change in the rate of return each time additional purchases are made.

Up to a total of 4 additional purchases are possible, and in the case of additional purchases, you can find out the rate of return, total profit and loss, and total purchase amount.