Implementation of the computational training software. Opening a new example by the web linking to http://cctrainer.ifc.cnr.it. and clicking on "insert case" button a electronic sheet appears. Rest and peak data sets should be filled by the trainer in the fourth and fifth columns. After inserting the data, the operator clicks the "rest and stress data calculator" button to open the electronic calculation sheet. Each definition/abbreviation can be expanded to a full description simply pointing the mouse cursor.