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Woman writing complex mathematical formulas on a chalkboard.
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Woman writing complex mathematical formulas on a chalkboard.

Adult woman teacher in elegant suit and glasses is writing formulas on blackboard talking teaching class at school. Education and occupation concept.

Calendar outlinedPublished on September 24, 2025 (UTC)SafetyFree to use under the Unsplash License
schooleducationclassroomwritinglearningstudentuniversityscienceteacherresearchcollegeteachingscientistblackboardclasslecturemathematicsproblem solvingwhiteboardacademicHDR images

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