Danny Dunn and the Homework Machine

Danny uses a computer that Professor Bulfinch has created for NASA to prepare his homework, despite Professor Bullfinch's warning that Danny is to leave the machine alone. With his friend Joe Pearson and his new neighbor, Irene Miller, Danny has some success with the machine before it is sabotaged. Danny figures out what is wrong with the machine and corrects the problem. Danny's teacher also learns about the machine, and has her ideas for the Homework Champions...