a chalkboard with some writing on it

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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 6s

Free to use under the Unsplash License

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

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