Welcome to Rules of Thumb

Incorporated in 1987, Rules of Thumb has been involved in the development of many engineering and scientific applications. Our flagship product is the NetWeaver knowledge engineering software suite.

BJSoftware is a wholly owned subsidiary of Rules of Thumb.

Quick Links to the NetWeaver Help System:

• Introduction
• Terminology
• A brief history
• What is a knowledge base?
• Fuzzy logic
• Building knowledge bases with NetWeaver
• Node Reference