《Lightning talk - Calc》
（提示：如果视频分为多个小段，请下载后用视频合并软件合并。）教程列表：
EmacsConf 2015 seq.el and map.el - Nicholas Petton
EmacsConf 2015 Questions - Org mode, logbooks, utilities, GIFs
EmacsConf 2015 Questions - Org mode tables
EmacsConf 2015 Lightning Talk - ERT and Exercism.io
EmacsConf 2015 Creating a Custom Exporter for Org Mode - Marcin Borkowski
EmacsConf 2015 - Wrapping up and going forward
EmacsConf 2015 - Starting an Emacs Meetup - Harry Schwartz
EmacsConf 2015 - Question - Emacs Lisp backtraces
EmacsConf 2015 - Literate DevOps - Howard Abrams
Emacsconf 2015 - Lightning talk - Wanderlust and other mail clients
EmacsConf 2015 - Lightning talk - Magit
EmacsConf 2015 - Lightning Talk - Graphics in Emacs - wasamasa
EmacsConf 2015 - Lightning talk - gist.el
EmacsConf 2015 - Lightning talk - File sharing with Git and save hooks - Arthur
EmacsConf 2015 - Lightning talk - Emacs Club
EmacsConf 2015 - Lightning talk - Collaborative coding with tmux and tmate
EmacsConf 2015 - Lightning talk - Calc
EmacsConf 2015 - Hearing from Emacs Beginners - Daniel Gopar