Free 30 day Math Facts Software Subscription - teaches your child addition, subtraction, multiplication, and division facts at the child's own pace using a timer and accuracy method to produce scores. These scores are charted, which encourages the child to compete with himself or herself over time to increase proficiency. Regular practice ensures that math facts are retained in the child's memory. If a school purchases the network version, then all students of the school are automatically licensed to use the software at home free. Networked version can create Virtual Classrooms so that teachers can sort student data more easily to find specific problems.