Font fn = new Font("Arial", Font.ITALIC, 16);
g.setFont(fn);
g.drawString("Single left click and drag to zoom, single right click to choose scatter options", 50, 20);
// Bordi neri del grafico
g.setColor(Color.BLACK);
g.drawLine(UpperLeftGraph.x - 1, UpperLeftGraph.y - 1, UpperRightGraph.x, UpperRightGraph.y - 1); //UP
g.drawLine(UpperLeftGraph.x - 1, UpperLeftGraph.y - 1, LowerLeftGraph.x - 1, LowerLeftGraph.y); //LEFT
g.drawLine(LowerLeftGraph.x, LowerLeftGraph.y, LowerRightGraph.x, LowerRightGraph.y); //BOTTOM
g.drawLine(LowerRightGraph.x, LowerRightGraph.y, UpperRightGraph.x, UpperRightGraph.y); //RIGHT
// Testo variabile in x