Judith A. Beecher

Beecher, Penna, and Bittinger’s Precalculus: A Right Triangle Approach is known for enabling students to “see the math” through its focus on visualization and early introduction to functions.

These authors have created a book to really help students visualize mathematics for better comprehension.

The Bittinger series changed the face of developmental education with the introduction of objective-based worktexts that presented math one concept at a time..