Describes keyword, site, protocol, time, client, and user blocking and Platform for Internet Content Selection (PICS), a Web rating system. Provides evaluations of five commercially available filters (Internet filters block content, keywords, sites, or a combination of these) and sample questions to evaluate filters. (PEN)

Describes how filtering software programs work, types of filtering software, and common problems that emerge with use. An appendix provides information on Internet-filtering software products, including product name, company name, filter type, platforms supported, price range, Web site, and notes. (AEF)

Guides librarians in evaluating "filtering" software which schools may purchase for restricting access to potentially inappropriate Internet sites. This article discusses the workings of filtering programs and practical and ethical questions such as: how sites are restricted, who decides, and whether transactions are monitored.…

Describes recent offerings in math software for fractions lessons that provide instruction and interactivity not previously available in electronic formats. Compares three products, including selection criteria for multimedia supplemental materials. A table provides specific information on the products, including grade level, format, system…