Title
Mathematical symbols on chalkboard
Caption
Mathematical symbols on chalkboard.
Photo : Jamie Grill
Date
2013
Credit line
Photo12/Tetra Images
Reference
TTM14A10_453
Model release
No
License type
Royalty free
Available size
50,0Mb (1,4Mb) / 17,1in x 11,4in / 5118 x 3412 (300dpi)