ThinkWave Educator is a free, easy-to-use, online grade book. ThinkWave saves admin time by automating grade calculations, organizing assignments and generating detailed reports. Quick entry of grades. Multiple views on grades: a grid view, a by-student view, and a by-assignment view. Multiple .pdf reports including gradebook, student summary and missing assignments. Broad customization of grade, attendance, and custom fields types. Assignment type weighting (Homework 25%, Project 30%, Quiz 45%) Comments for individual assignments. Upload and collection of homework online. E-mail invites for students and parents to log in. Track their online usage.