a chalkboard with some writing on it

––– –– ––

––– –––– ––––

––– –– ––

––– –––– ––––

a chalkboard with some writing on it

Math equations on a chalk board

Aalto-yliopisto, Tapiola, Suomi

Published on November 9, 2021 (UTC)Apple, iPhone 6sFree to use under the Unsplash License

technology school university science college physics mathematics maths nerd degree chalk chalk board geek equations physics equation math equation text word blackboard symbol Creative Commons images

Browse premium related images on iStock | Save 20% with code UNSPLASH20