ID 16377150745 © Portulaka | 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 animation background black calculate camera chalk class classroom college complicated concept drawing education equation exam flight fly formula geometry knowledge learn lecture lesson loop loopable math mathematical mathematics number pattern physics school science seamless shine sign sketch solution study studying symbol teach teacher tech text theory university white write