Mathematics Teacher (1997) Vol. 90, No. 7
Tl created the Calculator-Based Ranger '(CBR' ), an intelligent motion detector that makes coLlecting and analyzing data faste-r, easier and more accurate than ever. To help you get started right au:ay, the CBR comes complete with built-in programs and classroom. activities del•eloped by teachers. All this because we u
This is available to members of NCTM. Please log in now to view this article. If you are interested in a NCTM membership join now.