The phrase refers to a series of graphing calculators widely used in secondary and higher education. These devices, produced by Texas Instruments, are known for their versatility in performing complex mathematical calculations, graphing functions, and running programs. Specific iterations within the line offer varying levels of functionality and features. For example, some incorporate color screens and rechargeable batteries, while others maintain the classic black and white display and require standard batteries.
The significance of these calculators in education lies in their ability to assist students in visualizing and understanding mathematical concepts. They facilitate exploration of functions, data analysis, and problem-solving. Historically, the introduction of this calculator series marked a significant advancement in accessible technology for mathematical learning, enabling students to engage with more complex problems than were previously practical with simpler calculators.
