Click on the calendar view mode (month, day, week, Stream, Poster etc.) in the upper right corner. Select the category of classes (one or more at a time) in the upper left corner. Select the Tags option on the left (just to the right of Categories) to narrow your search for the topic/class you’re looking for. For best results, search for one class/tag at a time. To unselect a category or tag, click on it to un-highlight it. You can also subscribe and sync the NeS calendar to your own calendar using the bottom right button.