This video quickly illustrates how the TI-Nspire CX is different from a graphing calculator.
Here students investigate whether or not the graph is of a function or not.
See how this is better than "the vertical line" test.
On this page of the site you can watch the video online Function or Not a Function with a duration of hours minute second in good quality, which was uploaded by the user Tom Reardon 04 September 2013, share the link with friends and acquaintances, this video has already been watched 42 times on youtube and it was liked by 0 viewers. Enjoy your viewing!