How do you clear the memory card of a digital camera?

Now that pics are all downloaded onto the computer I want to make more space on the camera and clear all the pics... can't figure out how to do it? I don't know if it matters but it's a Kodak 10.2 megapixels camera looks like this: a href="http://s7.sears.com/is/image/Sears/00339542000?hei=500&wid=500&op_sharpen=1" rel="nofollow"http://s7.sears.com/is/image/Sears/00339…/a