• Go to the train station of Poitiers. In front of the train station on the left hand side (looking in direction of the city center) there is a bus stop called Gare Grand Cerf. Take the bus ligne 1: CHU/Champlain-Futuroscope direction Futuroscope Lycée Pilote. The trip take around 30 minutes and you can buy the ticket directly on the bus. It costs 1,30 Euro. Go down at the bus stop Gustave Eiffel. The math building is the first building, in front of the bus stop, on the other side of the street, on the left hand side.
  
  
• Map
  
  
• Here you can find the web page of the Poitiers buses to check the timetable and to look for others itineraries.