"It is really a great aid to instructors. I have my students turn in papers in PDF and then I grade them on my tablet. It saves me from carrying around hundreds of pages of printed material. I would strongly recommend your program to college instructors."

Fred Terry, University of Michigan

Michigan

"I have been very pleased with PDF Annotator. I thought it was a bit expensive at $50, but it has already paid for itself in saved color printer charges for 3 manuscripts that I have marked up and emailed to authors."

Pete Riley, Senior Scientist

San Diego