Thank you very much for your easy to understand instructions. I'm a 1994 grad that needed a refresher course
@emmamoores50311 күн бұрын
Immensely helpful, thank you sir!!
@MarkStMartin-p8c19 күн бұрын
Any ideas what the name of the mechanical sliding arm that you use to draw on the board is called? I'm not sure if this channel is still active, but I would love to add this to our classroom