Model walks the runway at the Niyazi Erdogan show during Mercedes Benz Fashion Week Istanbul FW15 on March 16, 2015 in Istanbul, Turkey.
Model walks the runway at the Niyazi Erdogan show during Mercedes Benz Fashion Week Istanbul FW15 on March 16, 2015 in Istanbul, Turkey.
Model walks the runway at the Niyazi Erdogan show during Mercedes Benz Fashion Week Istanbul FW15 on March 16, 2015 in Istanbul, Turkey.
Model walks the runway at the Niyazi Erdogan show during Mercedes Benz Fashion Week Istanbul FW15 on March 16, 2015 in Istanbul, Turkey.
Biddeford High School math teacher Jon Jacques instructs his calculous class on a lesson related to the pi figure at Biddeford High School in...
Biddeford High School math teacher Jon Jacques instructs his calculous class on a lesson related to the pi figure at Biddeford High School in...
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina holds her new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Singer Selina and host Huang Zijiao attend Selina's new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
Host Huang Zijiao attends singer Selina's new personal album "3.1415" press conference on January 8, 2015 in Taipei, Taiwan of China.
close-up of business man hand typing on a scientific calculator . banking, mathematics and finance concept for student education and learning - 圓周率 數字 個照片及圖片檔