Alexander Rodriguez | Contributing Photographer
Rainer Steinwandt, an FAU professor and the chair of the university’s Department of Mathematical Sciences, teaches children from the Karen Slattery Educational Research Center for Child Development about Pi Day on Tuesday at the Social Science building.

Alexander Rodriguez | Contributing Photographer
Rainer Steinwandt laughs at a joke a child made about Pi Day.

Alexander Rodriguez | Contributing Photographer
Burcu Tuncer Karabina, an organizer of Pi Day at the university and a professor in FAU’s math department, teaches children how to find the diameter of a circle.

Alexander Rodriguez | Contributing Photographer
FAU mascot Owlsley attends Pi Day to interact with the children from the Karen Slattery Educational Research Center for Child Development.

Alexander Rodriguez | Contributing Photographer
Burcu Tuncer Karabina asks the children what the word “Pi” means in mathematical terms.

Alexander Rodriguez | Contributing Photographer
A child from the Karen Slattery Educational Research Center for Child Development raises her hand to ask a question about Pi Day.

Alexander Rodriguez | Contributing Photographer
A child from the Karen Slattery Educational Research Center for Child Development raises her hand to ask a question about Pi Day.

Alexander Rodriguez | Contributing Photographer
Several children were nervous to pie Burcu Tuncer Karabina, so they decided to put whip cream on their fingers and draw on her face instead.

Alexander Rodriguez | Contributing Photographer
A child from the Karen Slattery Educational Research Center for Child Development raises her hand to ask a question about Pi Day.

Alexander Rodriguez | Contributing Photographer
Koray Karabina, an organizer of Pi Day and a professor in FAU’s math department, had children pie him in the face.