Director, Math Center

Professor, Mathematics

**Degrees**: PhD, University of Delaware

**Office**: ACN 277

**Telephone**: 610-499-1244

**Email**: kxh0002@widener.edu

**Favorite math concepts as teaching tools:**

Cantor set

Cardinality

Almost everywhere, almost all

Linear operations

Convexity

Compactness

Logical connectives

**Favorite courses to teach:**

Advanced Calculus (Math 341, 342)

Complex Analysis (Math 376)

Discrete Mathematics (Math 322)

Calculus, Multivariable Calculus (Math 142, 241)

**Most appreciated past comments from teaching evaluations:**

“She loved to teach us.”

“Clone Hallenbeck and put her in every classroom.”

“[The course] helped me understand mathematics used in other courses.”

“The course made me think.”

“The course was intellectually invigorating.”

“I have gained a new found respect for the abilities of mathematicians. Also, I learned a lot.”

**Tribute to****Dr. David Hallenbeck**