The 14th of Mars Vetenskapens Hus (Stockholm House of Science) will celebrate the number Pi by arranging a full day of math activities and math lectures. More than 700 students in lower and upper secondary school will meet math researchers from KTH Royal Institute of Technology and Stockholm university, do hands-on math activities, solve math problems, do math competitions, eat pizza etc…The purpose of the day is to inspire young people and show them exciting and different mathematics.