Using TI-Interactive! for data analysis. The first tip demonstrates the capability to collect data using a CBL or CBR without needing a graphing calculator. The second tip shows us how to create a number line using the coordinate graphing features. Technology Tips focus on how technology can aid teachers in using technology to enhance instruction, assessment, and the curriculum to help their students deepen conceptual knowledge. Tech Time is a regular department of Mathematics Teacher. Robin Rider shares two tips for using TI-Interactive.