The programs are widely accepted as classroom basics. All approximate costs are per copy, but costs decrease if you purchase lab packs of five or multiple copies. Rosalie Layton, in purchasing, will find the best prices and can give you pricing for multiple purchase. Can be used across the curriculum. Here are some details.
Some people say the projected image is clearer.
User can adjust the position on the screen, zoom in, and more. If you have a one-piece computer that has video out already, you don't need to buy a card. Check for a 15 pin port above the SCSI connector on the back of the Mac. If it's there, you don't need to buy a card.