In high school, Sam made a movie for his calculus class as part of a group.

There's a cute guy in my calculus class," she said, perking up.

Finally, he managed to calm down, even study a little for his next-day advanced calculus class.

"We have a calculus class with only 20 kids in it," he said.

At 15, he is taking his high school's advanced-placement calculus class.

If math was an issue, for instance, let the college know how that calculus class has been going.

Just freed from her calculus class, the pretty 18-year-old had big plans for the afternoon.

"Too difficult" is a reason you might not want to take to calculus class.

Esther was in calculus class, the last period of the day when her cellphone rang.

Tom Curl, for instance, is just a little worried about his advanced-placement calculus class.