hello I need a simple ajax calculator form to be used as a joomla plugin. Very simple. Need some simple form design and the folowing You have a known A value User input a number B in a form User input a number C in a form If B < 13 = display a message If B > 13 = calculate D D = ((C - A) * 100) / C IF D < 15 : E = 10 IF D >= 15 and 30 E = 18 IF D >= 30 and 55 E = 25 IF D >= 55 and 90 E = 33 IF D > 90 E = 40 Result = B*C*12 * E(%) Display result Email results Let me know your price for this tks