ID 37754767 © Ikonstudio | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
algebra backdrop background banner black blackboard board calligraphy chalk chalkboard chaos class classroom college complex computation decorative design difficult discovery doodle draft drawn education einstein equation examination experiment formula hand handwriting intricate knowledge law learn learning lesson math mathematical mess physics poster professor proof quantum relativity research school science scientific solution string student study task teach theorem theory tile university vector wallpaper white wood wright write writing