The document is a welcome letter from a math teacher to students at Baldwin Senior High School. The teacher has over 32 years of experience teaching various math and computer science courses. The teacher's primary aims are to make students feel welcome, empower them, and give them choices in their learning. Examples provided are welcoming students at the door each day, decorating the classroom to be conducive to learning, and allowing flexibility in homework completion. The teacher hopes students find learning math and computer science to be a fun and valuable experience with a variety of activities planned each week.