In Designer 8.2.1, Added 2 text boxes to a form design. box1, box2.Inserted a Script Object Scripts4 by right clicking root level form1.Added a function in Scripts4 -function calcu(m, n){//xfa.host.messageBox("values .." + m);var p = m*n;return p;}-----In box1.exit event; wrote following script:v= S...