Computer projection devices vary in price and functionality, from $300 AverKey and Presenter converter boxes to $11,000 NEC projectors. Somewhere at the low end of these extremes are the LCD panels which sit on top of overhead projectors. Tmes are changing as far as the quality of the high end devices, but sadly the prices of nice computer projectors are still out of the reach of virtually all classrooms and may even preclude the purchase of a single unit for quite a few small districts.

One thing is for sure: when you show computer

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