Butler County Community College will offer new courses for the winter session in December, calculus and analytic geometry I, college writing and contemporary world history.

Students attending BC3 or other colleges and universities can register now at bc3.edu/winter for the college’s fifth winter session, which has a selection of 20 courses that take place from Dec. 13 to Jan. 18.

BC3 and guest students from Butler County can save at least $531.60 for each three-credit online BC3 Winter Session course compared with tuition and fees for December to January online sessions at regional public four-year institutions. BC3 and guest students from other Pennsylvania counties can save $222.60 for each three-credit BC3 Winter Session course.

Enrollment in the five-week winter session has increased 259 percent since 2017, according to a news release from BC3.