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.:
KEYWORDS
algebra background blackboard board calculate calculus college complex complicated concept derivatives difficult economics educate education educational equation exam figure formula geometry handwriting handwritten homework inequalities integrals knowledge learn lesson math mathematical mathematics matrix numbers physics problem research school science sigma sign solution study symbol teach test theory university white whiteboard
More images on Dreamstime
Similar Images
More images by the same author
1 week free trial. Any size, for free
Renews at $25/month, cancel or upgrade at any time
Click here for your free trial!
240,682,725 images | 1,214,081 contributors | 53,294,323 total users