Simple and intuitive app to help you calculate percentage, profit margin, commission on sales and products, average and discounts. In addition to doing the calculations in the conventional way, by entering a value and getting a result, you can get that value from the result itself. For example, in addition to being able to obtain the actual value of the profit by entering the cost value and the margin percentage, you can say for example the desired profit value and the amount you intend to sell, when calculating you will be informed of the maximum value of the cost price of the product. All on the same screen, simply and with the help of buttons with information on how to fill in the fields to find the result you are looking for.