That program has sold three million copies between its introduction in May 1990 and the end of the year.
Others in the industry say the program is better at selling selected books than at winning new customers.
The program did not sell well, she said.
That program, when bundled with a state version, sells for just $19.95 through www.taxact.com.
He believes that his program will sell where local school boards have the power to decide for themselves on educational programming.
The program sells for $49.95 and can be bought or downloaded at www.trendmicro.com, where a free 30-day trial version is also available.
The program, which works with Windows 95 and later, sells for $69.95 at www.dataviz.com.
The program sold out early, with two of the four performances remaining.
The new programs would probably sell for about $1, double the current price at many tracks.
The program normally sells for a little more than $100.