The cheapest you'll find it in retail stores is $180 at Best Buy or Wal-Mart. I've heard that some educational suppliers will mail order them for slightly less (there is a list of the suppliers at TI's web site). Used calculators are found in the "Buy and Sell" section of http://www.ticalc.org >how much is a plain vanilla ti-92? >(anyone wanting to get rid of one somewhat cheap?) > -James, N9XLC > -jrhall@infocom.com