classes:  lecturer. Calculus is a dry subject but Ms. WZJWZ261 teaches it very easily.  curriculum. Calculus is a dry subject but Ms. WZJWZ261 teaches it very easily.  facility. Calculus is a dry subject but Ms. WZJWZ261 teaches it very easily.  general. Calculus is a dry subject but Ms. WZJWZ261 teaches it very easily.