I have a best friend. Her name is Christiana Sunartedjowati. I usually called her Tina. She is twenty years old. She is single but she has a boy friend who studies at music education. Tina studies in mathematic education at Yogyakarta State University. Her hobbies are listening to music and singing. Besides she interested in arithmetic, she also interested in writing. Her career plan is become a good mathematic teacher, so she will study hard to become a good mathematic student.