The application calculates the volume for roundwood, returning the volume for wood material based on the length and diamenter of the tree. The application calculates instantly the volume and stores the result in a list. The list stores details of the roundwood like length, diameter and volume. The list can store all the measurements of the logs that are loaded on a truck, sums the total volume and returns the price of the total volume. The volume list can be sent on email as pdf file.