Christopher Mitchell

Christopher Mitchell is a teacher, PhD candidate, and recognized leader in the calculator enthusiast community. You'll find Christopher (aka Kerm Martian) and his cadre of calculator experts answering questions and sharing advice on his website, cemetech.net. He is the author of Manning's Programming the TI-83 Plus/TI-84 Plus.

Christopher Mitchell 2016-11-10T17:55:00-08:00 Rating: 4.5 Diposkan Oleh: movie time