Possible according to mathematics but highly improbable: The team has only a mathematical chance to win the championship.
[Middle English, from Medieval Latin mathēmaticālis, from Latin mathēmaticus, from Greek mathēmatikos, from mathēma, mathēmat-, science, learning, from manthanein, math-, to learn; see mendh- in Indo-European roots.] math'e·mat'i·cal·ly adv.