Getting started. Step 00 - Important buttons and concepts - Save once and again under different names as you cannot undo!!! . - Use either comma´s or dots, to denote decimals, depending on the settings of your PC. An error message saying: "not a floating point value" will follow if wrong. - To start with a certain topic always left click the item first to select it (it will turn blue as per the picture). By then right clicking you will get a menu from which you can choose actions. - If you change something, the screen does not always show the changes. Click the white arrow at the bottom of the screen to refresh. In order to print the whole file click on the printer below and mark "print all linked documents". Then click OK.