any of the many calculator or computer related tools which can be used for development of mathematical concepts and for problem solving, including but not limited to calculators; graphing calculators; calculator-based laboratories; computers; computer software, such as interactive geometric software, spreadsheets, database software, simulation software, and presentation software; videos, CD's, laser disks
is, simply, tool-use. Tech Levels or Tech Ratings measure how developed a particular culture is in using tools. Tools can include not only simple physical tools but also machines and even ways of thinking, but is limited to those tools which demonstrably operate within the natural laws of a realm. See Also: Development Ratings
The knowledge, techniques, and tools that make it possible for people to transform resources into usable forms, and the knowledge and skills required to use them after they are developed.