Formula on blackboard

Formula on blackboard

Math formula written on a blackboard in school

alegri / 2009-08-24

* Note: If you intend to use an image you find here for commercial use, please be aware that some photos do require a model or property release which the author cannot provide. Pictures featuring products, works of art, buildings, brands, logos or other elements that might copyrighted could require a model/property release and should not be used for commercial use.

Similar images

Blackboard from side
Blackboard texture


blackboard school formula written chalk white studdent math physics formula study education student book books lines grade
ID: 922 / H: 1600 x W:1070 / DL: 682 / V: 18268