I am trying to replace certain items on a slide. I have equations displayed on the slide already and I need to make parts of the equation disappear and bring in new parts. I can animate the new parts into position but the problem is getting the old sections of the equation to disappear. The only way I can find to get them to disappear is to have them animate then disappear, but that won't do because they need to be on the slide when the slide first comes up. Then they need to hide before the new pieces appear or fly in. I'm hoping someone has found a way to have objects that have no animation, hide on command or timer. Please Help. Thank You.