ID 128165154 © Oppermana | 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.:
abstract algebra axiom background black calculate calculation calculator calculus class college concept edge education equation exponential finance formula graph homework horizontal know knowledge layout lesson letters math mathematical mathematics maths message newton numbers primary school science scientific sign slate spelling spells squared study studying style symbol theorem tiled tiles university words