At my university we use Moodle and that lets me setup a page where students can schedule one-on-one appointments with me (during office hours). When a student books a time, Moodle sends me an email with the details.
I use a rule and an Applescript to scrape the details from the email and put the booking into my calendar.
Here is my implementation in python of the Poisson equation on an arbitrary 2D domain using the finite element method. I used this for teaching a course in partial differential equations:
I use a rule and an Applescript to scrape the details from the email and put the booking into my calendar.