Blackboard inscribed with scientific formulas and calculations in physics and mathematics, background image, error correction concept

---

Size: 5472px × 3648px
Photo credit: © Alexandr Muntean / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: algebra, background, black, blackboard, board, calculation, chalk, chalkboard, classroom, college, complex, division, drawing, education, equal, equation, formula, function, geometry, hand, handwriting, knowledge, laboratory, math, mathematical, mathematics, natural, number, pattern, physic, plot, problem, proof, school, science, seamless, sign, solution, student, study, technical, texture, theorem, theory, trigonometry, white, writing