Unsplash logoUnsplash HomeA photoPen Tool
A compassA stack of foldersDownload
Bookmark
Person
Get Unsplash+Log in
Go to Roman Mager's profile
Roman Mager
roman_lazygeek
Edit image Plus sign for Unsplash+
Download free
written equations on brown wooden board
––– –– ––
––– –––– ––––
––– –– ––
––– –––– ––––

Featured in

Photos, Back To School

written equations on brown wooden board

Formulas on an old blackboard

A map markerMinsk, Belarus
Calendar outlinedPublished on January 25, 2016 (UTC)CameraSafetyFree to use under the Unsplash License
greenschooleducationclassroomstudylearningmathphysicslearnblackboardwritemathematicsboardchalkboardmathschalkboard backgroundformulachalkmathematicequationFree images

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